Chapter-wise Worksheets for Class 9 Computer Science: All Chapters
Access comprehensive chapter-wise worksheets for All Chapters using the CBSE Class 9 Computer Science Worksheet Set 03. Designed to align with the 2026-27 academic syllabus for Class 9 Computer Science, these printable practice sets help students reinforce key concepts and improve their overall exam readiness.
Practice Class 9 Computer Science Worksheets: All Chapters
View or download the dedicated CBSE Class 9 Computer Science Worksheet Set 03 resource below. Engaging with these practice papers under focused study conditions ensures continuous academic progress and mastery of the 2026-27 curriculum for All Chapters.
PRACTICE WORKSHEET - I
I. Fill in the blanks.
Question 1. Computer is an electronic device.
Answer: Computer is an electronic device.
In simple words: A computer is an electronic machine that processes data.
Exam Tip: Remember the basic definition of a computer as an electronic device.
Question 2. DVD works in the same way as CD - ROM but packs more data than bits in the same work area.
Answer: DVD works in the same way as CD - ROM but packs more data than bits in the same work area.
In simple words: DVDs store much more data than CDs while being the same physical size.
Exam Tip: DVD stands for Digital Versatile Disc.
Question 3. 0 and 1 are binary digits.
Answer: 0 and 1 are binary digits.
In simple words: Computers only understand binary language consisting of 0 and 1.
Exam Tip: Binary digits are also known as bits.
Question 4. Any data fed by the users through a keyboard is called input.
Answer: Any data fed by the users through a keyboard is called input.
In simple words: Input is the information given to the computer by the user.
Exam Tip: Keyboard is the most common input device.
Question 5. Whenever data is fed by the user, it is processed by CPU (Central Processing Unit) for the output.
Answer: Whenever data is fed by the user, it is processed by CPU (Central Processing Unit) for the output.
In simple words: The CPU processes all the input data to generate meaningful output.
Exam Tip: CPU is known as the brain of the computer.
Question 6. Data fed is translated into Machine language/ Binary codes for processing.
Answer: Data fed is translated into Machine language/ Binary codes for processing.
In simple words: Computers convert human input into 0s and 1s for internal processing.
Exam Tip: Machine language uses only binary digits.
Question 7. Joystick is an input device mainly used for games.
Answer: Joystick is an input device mainly used for games.
In simple words: Joysticks help control movement in video games.
Question 8. A scanner is an input device.
Answer: A scanner is an input device.
In simple words: Scanners convert physical paper documents into digital images.
Exam Tip: Scanners allow hard copies to be stored as soft copies.
Question 9. The CPU is a combination of a CU and ALU.
Answer: The CPU is a combination of a CU and ALU.
In simple words: The Control Unit and Arithmetic Logic Unit together form the CPU.
Exam Tip: CU controls operations and ALU performs calculations.
Question 10. A Printer is an output device, which produces hard copies as an output.
Answer: A Printer is an output device, which produces hard copies as an output.
In simple words: Printers print digital documents onto paper.
Exam Tip: Printed output on paper is called a hard copy.
Question 11. Laptop is a portable computer.
Answer: Laptop is a portable computer.
In simple words: Laptops can be easily carried around and used on batteries.
Exam Tip: Laptops integrate monitor, keyboard, and CPU into one portable unit.
Question 12. Example of secondary memory is CD-ROM.
Answer: Example of secondary memory is CD-ROM.
In simple words: Secondary memory provides permanent storage for large amounts of data.
Exam Tip: CD-ROM stands for Compact Disc Read-Only Memory.
Question 13. OCR reads approximately 750 documents per minute.
Answer: OCR reads approximately 750 documents per minute.
In simple words: OCR technology quickly recognizes printed characters from scanned documents.
Exam Tip: OCR stands for Optical Character Reader.
Question 14. RAM is a volatile memory by nature.
Answer: RAM is a volatile memory by nature.
In simple words: RAM loses all stored data when the computer is turned off.
Exam Tip: Volatile means temporary storage that requires power to retain data.
Question 15. Mathematic calculation is done in computer by its ALU.
Answer: Mathematic calculation is done in computer by its ALU.
In simple words: The Arithmetic Logic Unit handles all math and logic operations.
Exam Tip: ALU performs additions, subtractions, and logical comparisons.
Question 16. Internal storage is known as primary memory.
Answer: Internal storage is known as primary memory.
In simple words: Primary memory like RAM and ROM is located directly on the motherboard.
Exam Tip: Primary memory is accessed directly by the CPU.
Question 17. Software is a set of instructions that directs the hardware.
Answer: Software is a set of instructions that directs the hardware.
In simple words: Software tells the physical computer hardware what tasks to perform.
Exam Tip: Hardware cannot function without software.
Question 18. A computer system is classified as hardware and software.
Answer: A computer system is classified as hardware and software.
In simple words: Every computer system consists of physical parts and intangible programs.
Exam Tip: Hardware and software complement each other.
Question 19. Software can be categorized as system and application software.
Answer: Software can be categorized as system and application software.
In simple words: Software is broadly divided into system management and user application programs.
Exam Tip: Operating systems are system software while word processors are application software.
Question 20. A virus program is also software.
Answer: A virus program is also software.
In simple words: Computer viruses are malicious sets of coded instructions.
Question 21. An operating system is an interface between user and computer.
Answer: An operating system is an interface between user and computer.
In simple words: The OS bridges the gap between human users and computer hardware.
Exam Tip: Windows and Linux are popular operating systems.
Question 22. Shareware is the software developed for public domain and hence can be copied without infringing copyright.
Answer: Shareware is the software developed for public domain and hence can be copied without infringing copyright.
In simple words: Shareware is trial software distributed freely for evaluation before purchase.
Exam Tip: Always check software licensing terms before distribution.
Question 23. Free software is the software that is freely accessible and can be used, modified, improved, copied and distributed free of charge.
Answer: Free software is the software that is freely accessible and can be used, modified, improved, copied and distributed free of charge.
In simple words: Free software gives users complete freedom to run, copy, and modify the code.
Exam Tip: Free software emphasizes user freedoms rather than just zero price.
Question 24. Proprietary software has restrictions on copying, modifying and using the software.
Answer: Proprietary software has restrictions on copying, modifying and using the software.
In simple words: Proprietary software is owned by a company that restricts its modification and copying.
Exam Tip: Microsoft Windows and Adobe Photoshop are examples of proprietary software.
Question 25. DOS is a single user operating system.
Answer: DOS is a single user operating system.
In simple words: Disk Operating System allows only one user to operate the computer at a time.
Exam Tip: DOS stands for Disk Operating System.
Question 26. Compiler is a software that translates the entire program into machine code in one go.
Answer: Compiler is a software that translates the entire program into machine code in one go.
In simple words: Compilers translate high-level source code into machine code all at once.
Exam Tip: Compilers report all syntax errors together after scanning the whole program.
Question 27. Interpreter is software that translates the program into machine code line by line.
Answer: Interpreter is software that translates the program into machine code line by line.
In simple words: Interpreters convert and execute code one single line at a time.
Exam Tip: Interpreters stop execution immediately when a syntax error is found in a line.
Question 28. Assembler is a language translator which translates the assembly language into machine code.
Answer: Assembler is a language translator which translates the assembly language into machine code.
In simple words: Assemblers convert low-level assembly language into binary machine code.
Exam Tip: Assembly language uses mnemonic codes instead of raw binary numbers.
Question 29. Tailor made software is designed according to the need of an organization.
Answer: Tailor made software is designed according to the need of an organization.
In simple words: Customized software is built specifically for a particular client or business.
Question 30. Virus scanners are used to scan for computer viruses among files and folders.
Answer: Virus scanners are used to scan for computer viruses among files and folders.
In simple words: Antivirus software detects and removes malicious files.
Exam Tip: Virus scanners protect system integrity and data security.
II. State True/False.
Question 1. The cycle that the computer hardware and software follows is known as IPO cycle.
Answer: True
In simple words: Input-Process-Output cycle describes how computers handle data.
Exam Tip: IPO stands for Input, Process, and Output.
Question 2. Data is known as output of the computer.
Answer: False
In simple words: Data is the raw input, while information is the processed output.
Question 3. Dot matrix printer was the most popular printer that prints one character at a time.
Answer: True
In simple words: Dot matrix printers impact ribbons with pins to print characters individually.
Exam Tip: Dot matrix printers are impact printers known for creating carbon copies.
Question 4. Internal Memory is also not known as Immediate Access Store (IAS).
Answer: False
In simple words: Internal primary memory is also called Immediate Access Store.
Exam Tip: IAS refers to primary memory directly accessible by the CPU.
Question 5. CPU is the brain of a computer system.
Answer: True
In simple words: The CPU coordinates and controls all computer operations.
Exam Tip: Without the CPU, a computer cannot execute instructions.
Question 6. Control Unit only controls the memory of computer.
Answer: False
In simple words: The CU directs operations across the entire computer system, not just memory.
Exam Tip: CU coordinates data flow between CPU, memory, and peripherals.
Question 7. Light pen is mainly used for developing design applications.
Answer: True
In simple words: Light pens enable direct drawing and selection on screen.
Exam Tip: Light pens are sensitive to light emitted from CRT screens.
Question 8. Soft copy is permanent once you save it.
Answer: False
In simple words: Soft copy refers to electronic display which is transient, whereas hard copy is physical.
Exam Tip: Electronic storage is persistent, but "soft copy" specifically denotes display output.
Question 9. ROM is known as Read Only Memory.
Answer: True
In simple words: ROM stores permanent startup instructions that cannot be easily altered.
Exam Tip: ROM is non-volatile memory.
Question 10. Local Carry Device is abbreviated as LCD.
Answer: False
In simple words: LCD stands for Liquid Crystal Display, not Local Carry Device.
Exam Tip: LCD is widely used for flat-panel monitors and screens.
Question 11. Inkjet Printers are slower than Laser printers.
Answer: True
In simple words: Laser printers print pages much faster than inkjet printers.
Exam Tip: Laser printers use toner powder while inkjet printers use liquid ink.
Question 12. A group of 8 bits is called Nibble.
Answer: False
In simple words: A group of 8 bits is called a Byte, while 4 bits make a nibble.
Exam Tip: Memorize memory units: 4 bits = 1 Nibble, 8 bits = 1 Byte.
Question 13. External memory is also called secondary memory.
Answer: True
In simple words: Hard disks and pen drives serve as external secondary storage.
Exam Tip: Secondary memory has larger capacity and lower cost per bit than primary memory.
Question 14. Keyboard is not used commonly.
Answer: False
In simple words: Keyboard is one of the most essential and commonly used input devices.
Exam Tip: Standard QWERTY keyboards are ubiquitous in computing.
Question 15. Computer performs operations on data fed to process it.
Answer: True
In simple words: Computers transform input data into useful information through processing.
Exam Tip: Data processing is the core function of computer systems.
Question 16. Software is classified in four types.
Answer: False
In simple words: Software is primarily classified into system software and application software.
Exam Tip: Keep primary categories clear: system and application.
Question 17. An antivirus program is a utility program.
Answer: True
In simple words: Antivirus programs maintain and protect computer systems.
Exam Tip: Utility software helps manage, maintain, and secure computer resources.
Question 18. An operating system is known as applications software.
Answer: False
In simple words: An operating system is system software, not application software.
Exam Tip: Application software performs specific user tasks like word processing.
Question 19. Programs written in high level language is called source program.
Answer: True
In simple words: Human-readable code written in languages like Python or C++ is source code.
Exam Tip: Source code must be translated into object code before execution.
Question 20. FORTRAN is an example of assembly language.
Answer: False
In simple words: FORTRAN is a high-level programming language, not an assembly language.
Exam Tip: FORTRAN stands for Formula Translation.
III. Multiple Choice Questions. (Choose the most appropriate option)
Question 1. Who is known as the Father of Computers?
(a) John Napier
(b) Blaise Pascal
(c) Charles Babbage
(d) Herman Hollerith
Answer: (c) Charles Babbage
Charles Babbage designed the analytical engine, earning him the title of father of computers.
In simple words: Charles Babbage invented the mechanical computer concepts.
Exam Tip: Remember Charles Babbage for pioneering mechanical computing.
Question 2. Computer's speed is measured in:
(a) Hertz
(b) Clock cycle
(c) Megabytes
(d) Bits per second
Answer: (b) Clock cycle
Processor execution speed is measured by clock cycles and frequency in Hertz.
In simple words: Clock cycles measure how fast a processor executes instructions.
Exam Tip: CPU clock speed is typically measured in GHz (Gigahertz).
Question 3. Mathematical operations, such as addition subtraction are performed by:
(a) CU
(b) CPU
(c) MU
(d) ALU
Answer: (d) ALU
The Arithmetic Logic Unit handles all arithmetic and logical calculations.
In simple words: ALU does the math in a computer.
Exam Tip: ALU stands for Arithmetic Logic Unit.
Question 4. The characteristics of computer are:
(a) Speed
(b) Reliability
(c) Diligent
(d) All of the options
Answer: (d) All of the options
Computers are characterized by high speed, reliability, and diligence.
In simple words: Computers are fast, accurate, and tireless.
Exam Tip: Diligence means the ability to work continuously without getting tired or bored.
Question 5. RAM stands for:
(a) Read a Memory
(b) Read Access Memory
(c) Random Access Memory
(d) Rapid Access Memory
Answer: (c) Random Access Memory
RAM is volatile primary memory allowing random access to data storage locations.
In simple words: RAM is the temporary working memory of the computer.
Question 6. Portable computer is:
(a) PC
(b) Desktop
(c) Laptop
(d) Minicomputer
Answer: (c) Laptop
Laptops are designed for portability and mobile usage.
In simple words: Laptops can be carried around easily.
Exam Tip: Laptops run on built-in rechargeable batteries.
Question 7. Which of the following units controls the operations of a computer?
(a) CU
(b) ALU
(c) CPU
(d) MU
Answer: (a) CU
The Control Unit directs instruction execution and hardware operations.
In simple words: CU acts as the supervisor of the computer system.
Exam Tip: CU manages the flow of data through the processor.
Question 8. Identify volatile memory:
(a) ROM
(b) Cache memory
(c) RAM
(d) Hard disk
Answer: (c) RAM
RAM loses its contents when power is switched off, making it volatile.
In simple words: RAM forgets everything when turned off.
Question 9. MICR stands for:
(a) Magnetic Ink Character Reader
(b) Magnetic in Cache Read Memory
(c) Multi Interactive Course Recognition
(d) Machine Integrated Character Routine
Answer: (a) Magnetic Ink Character Reader
MICR is used in banking to process checks encoded with magnetic ink.
In simple words: MICR reads magnetic ink characters printed on checks.
Exam Tip: MICR provides high security and fast processing for bank checks.
Question 10. Printer is an:
(a) Input device
(b) Output device
(c) Storage device
(d) Processing device
Answer: (b) Output device
Printers produce physical hard copies from digital data.
In simple words: Printers output text and images onto paper.
Exam Tip: Output devices present processed results to the user.
Question 11. CPU known as:
(a) Brain of the computer
(b) Main memory unit of the computer
(c) Heart of the computer
(d) Nervous System of the computer
Answer: (a) Brain of the computer
The CPU performs all major computations and logical decisions.
In simple words: CPU controls all computer functions like a brain.
Exam Tip: CPU coordinates hardware and executes software instructions.
Question 12. A group of 4 bits is called:
(a) Byte
(b) Nibble
(c) Word
(d) Bit
Answer: (b) Nibble
A nibble is precisely half a byte or 4 bits.
In simple words: 4 bits make a nibble.
Exam Tip: 8 bits make 1 Byte.
Question 13. 1 GB is equal to:
(a) 1024 Bytes
(b) 1024 TB
(c) 1024 KB
(d) 1024 MB
Answer: (d) 1024 MB
One Gigabyte equals 1024 Megabytes.
In simple words: Memory units increase in multiples of 1024.
Exam Tip: Hierarchy: KB -> MB -> GB -> TB.
Question 14. The first computer with a CPU, storage, memory and input output devices:
(a) Leibnitz calculator
(b) Difference engine
(c) Analytical engine
(d) Hollerith's machine
Answer: (c) Analytical engine
Charles Babbage's Analytical Engine introduced architecture resembling modern computers.
In simple words: Analytical Engine was the first design with memory and processor concepts.
Exam Tip: Designed in the 1830s by Charles Babbage.
Question 15. ________ is the combination of digital and analog computers.
(a) Hybrid computer
(b) Super computer
(c) Analog computer
(d) Digital Computer
Answer: (a) Hybrid computer
Hybrid computers combine features of both analog and digital computers.
In simple words: Hybrid computers process both continuous and discrete data.
Exam Tip: Used in specialized applications like hospitals and scientific research.
Question 16. Which of the following is not a utility?
(a) Encryption
(b) Corel Draw
(c) Antivirus
(d) Disk defragmenter
Answer: (b) Corel Draw
Corel Draw is a graphics design application, whereas others are system utilities.
In simple words: Corel Draw is application software for drawing.
Exam Tip: Utility software helps maintain and optimize system performance.
Question 17. Which of the following facilities is not available in any word processing package?
(a) Assigning values of variables
(b) Inserting new paragraphs in text
(c) Spell check
(d) Bold face printing
Answer: (a) Assigning values of variables
Assigning variable values is a programming feature, not a word processing tool.
In simple words: Word processors handle text, not programming variables.
Exam Tip: Word processors handle typing, formatting, and document editing.
Question 18. Which of the following is essential for using a computer effectively?
(a) Utility software
(b) System software
(c) Application software
(d) Device driver
Answer: (b) System software
System software like operating systems is fundamental to run hardware and computers effectively.
In simple words: Operating system software is required to operate any computer.
Exam Tip: System software manages hardware resources.
Question 19. A set of instructions given to a computer to get the desired output.
(a) Software
(b) Hardware
(c) Firmware
(d) Malware
Answer: (a) Software
Software consists of coded instructions directing computer hardware.
In simple words: Instructions given to computers are called software.
Exam Tip: Software brings hardware to life.
Question 20. Electronic ________ allow users to try out various what-if kinds of possibilities.
(a) word processing
(b) spreadsheets
(c) presentations
(d) databases
Answer: (b) spreadsheets
Spreadsheets allow financial and mathematical what-if modeling.
In simple words: Spreadsheets let users test financial scenarios easily.
Exam Tip: MS Excel is a popular spreadsheet application.
Question 21. This is a set of programs that manage and regulate the user database right from creation to maintenance and extending to the use of such database.
(a) Database Management Systems
(b) Operating System
(c) Boot Firmware
(d) Utility Program
Answer: (a) Database Management Systems
DBMS software handles database creation, maintenance, and querying.
In simple words: DBMS manages structured data storage and retrieval.
Exam Tip: SQL databases are managed through DBMS software.
Question 22. CUI is an acronym for:
(a) Command Utility Interface
(b) Character User Interface
(c) Character User Information
(d) Core Utility Interaction
Answer: (b) Character User Interface
CUI relies on text commands typed at a prompt.
In simple words: CUI uses text commands instead of graphics.
Question 23. A utility can compress/uncompress the contents of a disk thus increasing the capacity of the disk.
(a) Disk Defragmenter
(b) Disk compression
(c) Disk Cleaner
(d) Backup utility
Answer: (b) Disk compression
Disk compression utilities reduce file sizes to free up storage space.
In simple words: Compression utilities save disk space by shrinking files.
Exam Tip: Compressed files must be uncompressed before use.
Question 24. Translates the program in high level language line by line.
(a) Compiler
(b) Interpreter
(c) Assembler
(d) Linker
Answer: (b) Interpreter
Interpreters translate and execute code line by line.
In simple words: Interpreters check and run code line by line.
Exam Tip: Compilers translate the entire program at once.
Question 25. A source program that is converted into machine language for execution is called:
(a) Source program/code
(b) System program/code
(c) Object program/code
(d) Binary code file
Answer: (c) Object program/code
Machine-translated output code is called object code.
In simple words: Object code is the machine-readable version of source code.
Exam Tip: Translators convert source code into object code.
IV. Answer the following.
Question 1. What is a Computer?
Answer: Computer is an electronic device that accepts input from the user, process it (data) and gives output (Information) to user.
In simple words: A computer processes data into useful information.
Exam Tip: Mention input, processing, and output in your definition.
Question 2. What is hardware?
Answer: The physical components of computer that can be touched or see are called hardware. Eg. Mouse, Keyboard, Scanner etc.
In simple words: Hardware consists of the physical parts of a computer.
Exam Tip: Give clear examples like keyboard and monitor.
Question 3. What is Software?
Answer: Software is a set of instructions that instructs the hardware for step - by - step operations.
In simple words: Software is the set of programs running on hardware.
Exam Tip: Emphasize that software controls hardware behavior.
Question 4. What are different types of software?
Answer: (i) System Software
(ii) Application Software
In simple words: Software is divided into system management and user applications.
Exam Tip: List both primary classifications clearly.
Question 5. What do you mean by an input?
Answer: Input is the data put into the computer. It goes into a process, supported by storage.
In simple words: Input is raw data given to the computer.
Exam Tip: Input devices feed data into the system.
Question 6. What do you mean by an output?
Answer: Output is the processed form of data.
In simple words: Output is the final result generated by the computer.
Exam Tip: Output is displayed or printed for the user.
Question 7. Write names of input devices.
Answer: Keyboard, Mouse, Scanner, Light Pen, Track Ball, Joystick, Bar code reader, OCR, MICR, OMR, Microphone etc.
In simple words: Devices used to send data to the computer are input devices.
Exam Tip: List at least four common input devices for full marks.
Question 8. Write names of output devices.
Answer: Monitor, Printer, Plotter and Speaker.
In simple words: Devices that display or present processed results are output devices.
Exam Tip: Monitors and printers are the most common output devices.
Question 9. What is the use of memory or storage of a computer?
Answer: The memory or storage section of the computer stores the data and information that could be used during the computations.
In simple words: Storage holds data and instructions for processing and retention.
Exam Tip: Memory is essential for both temporary execution and permanent archiving.
Question 10. What is RAM?
Answer: RAM stands for Random Access Memory. It is a primary memory. It is volatile by nature. The data/ instructions, which are stored in it can be modified or deleted.
In simple words: RAM is temporary working memory that clears when powered off.
Exam Tip: Always mention that RAM is volatile.
Question 11. What is ROM?
Answer: ROM stands for Read Only Memory. The instructions to start/ shut the computer are stored in it. It is permanent memory. It is non- volatile by nature. The data/ instructions, which are stored in it cannot be modified or deleted.
In simple words: ROM is permanent memory holding startup instructions.
Question 12. What is VDU?
Answer: VDU stands for Visual Display Unit and it is a device used for viewing output. It is well known as monitor.
In simple words: VDU displays visual output from the computer.
Exam Tip: VDU is commonly known as the monitor.
Question 13. What is the basic language of computer?
Answer: Machine language (Binary code i.e. 0 and 1) is the basic language of computer.
In simple words: Computers only understand binary code consisting of 0s and 1s.
Exam Tip: Binary code is the lowest level of programming language.
Question 14. What is an Operating System?
Answer: Operating system is a set of programs that acts as an interface between the user and the computer. It controls overall activities of the computer system i.e. input, process, output and storage.
In simple words: An operating system manages all hardware and software operations.
Exam Tip: Define OS clearly as an interface between user and hardware.
Question 15. Differentiate Open Source Software, Free software, Shareware and Proprietary software.
Answer:
- Open Source Software: The source code is available under a license, allowing users to study, change, and improve it collaboratively.
- Free Software: Freely accessible software that can be used, modified, copied, and distributed free of charge with complete user freedom.
- Shareware Software: Developed for public trial, distributed freely for evaluation, requiring payment for continued use.
- Proprietary Software: Restricted software where copying, modifying, and usage are controlled strictly by the proprietor.
In simple words: Different software types have different rules for sharing, modification, and payment.
Exam Tip: Clearly state licensing and modification permissions for each category.
Question 16. What is an assembler?
Answer: An assembler is language translator that converts assembly language into machine code.
In simple words: Assemblers translate assembly language into binary code.
Exam Tip: Assembler bridges low-level assembly code and machine language.
Question 17. What is the difference between Compiler and Interpreter?
Answer:
| Compiler | Interpreter |
|---|---|
| Translates the entire program into machine code in one go. | Translates the program into machine code line by line. |
| Execution takes place when all syntax errors are removed. | Execution takes place when all syntax errors of a line are removed. |
| Debugging is slow. | Debugging is faster. |
| Execution time is less. | Execution time is more. |
In simple words: Compilers translate whole programs at once, while interpreters translate line by line.
Exam Tip: Draw a comparison table for clear presentation.
Question 18. What is the purpose of virus scanning software?
Answer: Virus Scanning Software is utility programs designed to protect your computer from viruses. It scans your disk each time you insert it into a computer.
In simple words: Antivirus software protects computers by detecting and blocking malicious programs.
Exam Tip: Mention virus detection and removal.
Question 19. Define Disk defragmentation.
Answer: Disk defragmentation means to organize fragmented files stored across different disk locations into contiguous blocks to improve access speed.
In simple words: Defragmentation reorganizes scattered file parts to speed up disk access.
Question 20. What is System Software?
Answer: System Software is a set of programs that controls the internal operations of the computer. It has three categories further as:
(a.) Operating System
(b.) Language Translator
(c.) Utility Programs
In simple words: System software manages computer hardware and system operations.
Exam Tip: List the three major categories of system software.
Question 21. What is Application software?
Answer: Application Software is a set of programs written for specified application. It can be classified as: a.) Integrated Package (b.) Tailor Made Software (c.) General Purpose Package
In simple words: Application software helps users perform specific tasks.
Exam Tip: Categorize application software into general, tailor-made, and integrated packages.
Question 22. What is Utility software?
Answer: Utility Software is specially designed to help and manage the computer hardware, operating system or application software.
In simple words: Utility software maintains and optimizes the computer system.
Exam Tip: Examples include antivirus, backup tools, and disk cleaners.
Question 23. Define Integrated Package.
Answer: Integrated Package includes several application programs combined in one easy to use package.
In simple words: Integrated software suites combine multiple applications into one bundle.
Exam Tip: MS Office is a classic example of an integrated package.
Question 24. Define Tailor made software.
Answer: Tailor- made software's are designed according to the needs of an organization. This software can be very expensive.
In simple words: Custom software built specifically for a client's unique requirements.
Exam Tip: Also referred to as customized or bespoke software.
Question 25. Define General Purpose Package.
Answer: General purpose package are pre-installed on the computer and can be used in many ways. Eg. Ms- Word, Ms- Excel and Ms- PowerPoint etc.
In simple words: Software designed to serve a wide range of common user needs.
Exam Tip: Give examples like word processors and spreadsheets.
V. Abbreviations.
Question 1. COMPUTER
Answer: Commonly Operated Machine Particularly Used in Technical and Educational Research
In simple words: Acronym expansion for COMPUTER.
Exam Tip: Memorize this full form carefully.
Question 2. CD
Answer: Compact Disk
In simple words: Optical storage disc.
Exam Tip: Standard optical storage medium.
Question 3. DVD
Answer: Digital Versatile Disk
In simple words: High-capacity optical disc.
Question 4. ASCII
Answer: American Standard Code for Information Interchange
In simple words: Character encoding standard.
Exam Tip: Standardizes text representation across computers.
Question 5. ALU
Answer: Arithmetic Logic Unit
In simple words: Processing component for math and logic.
Exam Tip: Part of the CPU.
Question 6. CPU
Answer: Central Processing Unit
In simple words: Main processor of the computer.
Exam Tip: Known as the brain of the computer.
Question 7. CAD
Answer: Computer Aided Designing
In simple words: Software used for engineering designs.
Exam Tip: Used by architects and engineers.
Question 8. CAM
Answer: Computer Aided Manufacturing
In simple words: Computer-controlled manufacturing processes.
Question 9. DPI
Answer: Dots Per Inch
In simple words: Measure of print resolution.
Exam Tip: Higher DPI means sharper print resolution.
Question 10. GUI
Answer: Graphical User Interface
In simple words: Visual interface using icons and menus.
Exam Tip: Makes computers user-friendly.
Question 11. CUI
Answer: Character User Interface
In simple words: Text-based command interface.
Exam Tip: Requires typing commands.
Question 12. MICR
Answer: Magnetic Ink Character Reader
In simple words: Bank check reader.
Exam Tip: Uses magnetized ink.
Question 13. OMR
Answer: Optical Mark Reader
In simple words: Scanner for bubble-sheet exams.
Exam Tip: Detects pencil marks on paper.
Question 14. OCR
Answer: Optical Character Reader
In simple words: Technology to convert scanned text into editable text.
Exam Tip: Recognizes printed characters.
Question 15. VDU
Answer: Visual Display Unit
In simple words: Computer monitor.
Exam Tip: Output device for display.
Question 16. RAM
Answer: Random Access Memory
In simple words: Temporary volatile memory.
Exam Tip: Fast primary storage.
Question 17. ROM
Answer: Read Only Memory
In simple words: Permanent non-volatile storage.
Exam Tip: Stores BIOS and boot code.
Question 18. LCD
Answer: Liquid Crystal Display
In simple words: Flat screen display technology.
Exam Tip: Commonly used in monitors and TVs.
Question 19. LED
Answer: Light Emitting Diode
In simple words: Energy-efficient display and lighting technology.
Exam Tip: Provides bright and clear display backlighting.
Question 20. BIT
Answer: Binary Digit
In simple words: Smallest unit of data in computing.
Question 1. Draw a flowchart to categorized different types of software.
Answer:
Software is categorized into System Software (Operating System, Language Translator, Utility Software) and Application Software (Integrated Package, Tailor-Made Software, General Purpose Package).
In simple words: Software branches into system software and application software with their sub-types.
Exam Tip: Structure flowcharts hierarchically from root to leaves.
VII. Draw a flowchart to categorized different types of Memory.
Question 1. Draw a flowchart to categorized different types of Memory.
Answer:
Memory is categorized into Primary/Internal Memory (RAM, ROM) and Secondary/External Memory (CD/DVD, Hard Disk, Pen Drive).
In simple words: Memory divides into internal primary storage and external secondary storage.
Exam Tip: Clearly label internal and external branches in memory hierarchy.
PRACTICE WORKSHEET - II
I. Fill in the blanks.
Question 1. The operating system is a complex piece of software that is loaded automatically into memory when the computer is started.
Answer: The operating system is a complex piece of software that is loaded automatically into memory when the computer is started.
In simple words: OS loads into memory during booting.
Exam Tip: Booting is the process of loading the operating system.
Question 2. The clipboard viewer allows you to work with the contents of the clipboards.
Answer: The clipboard viewer allows you to work with the contents of the clipboards.
In simple words: Clipboard viewer displays copied items.
Exam Tip: Clipboard holds temporary cut or copied data.
Question 3. Text files normally have .TXT file extension.
Answer: Text files normally have .TXT file extension.
In simple words: Plain text files end with .txt.
Exam Tip: File extensions identify file types.
Question 4. WordPad is more useful for letters and reports.
Answer: WordPad is more useful for letters and reports.
In simple words: WordPad handles basic document formatting.
Exam Tip: WordPad is built into Windows for basic word processing.
Question 5. Loading a file means opening a file.
Answer: Loading a file means opening a file.
In simple words: Loading transfers file data into memory.
Exam Tip: Opening a file reads it from storage into RAM.
Question 6. The collection records is known as file.
Answer: The collection records is known as file.
In simple words: A file groups related records together.
Exam Tip: Files store persistent data on disks.
Question 7. Rename command allows us to rename the name of selected folder.
Answer: Rename command allows us to rename the name of selected folder.
In simple words: Rename changes the title of a file or folder.
Exam Tip: F2 is the shortcut key to rename items in Windows.
Question 8. You can get into the file menu by pressing Alt+F.
Answer: You can get into the file menu by pressing Alt+F.
In simple words: Alt+F opens the File menu in most applications.
Exam Tip: Keyboard shortcuts speed up navigation.
Question 9. To copy selected file press Ctrl + C.
Answer: To copy selected file press Ctrl + C.
In simple words: Ctrl+C copies selected items.
Exam Tip: Follow with Ctrl+V to paste.
Question 10. A Folder contains files.
Answer: A Folder contains files.
In simple words: Folders organize files into directories.
Exam Tip: Folders can also contain subfolders.
Question 11. The entire document can be selected by keyboard shortcut Ctrl + A.
Answer: The entire document can be selected by keyboard shortcut Ctrl + A.
In simple words: Ctrl+A selects all text or items.
Exam Tip: Useful shortcut for selecting all document content.
Question 12. F7 function key is used to check the spelling and grammar.
Answer: F7 function key is used to check the spelling and grammar.
In simple words: F7 opens the spelling and grammar checker in MS Word.
Exam Tip: Remember function keys for quick software actions.
Question 13. MS - Word is a word processing software.
Answer: MS - Word is a word processing software.
In simple words: MS Word is used for creating text documents.
Exam Tip: Part of the Microsoft Office suite.
Question 14. We choose open option from File menu to open the existing file.
Answer: We choose open option from File menu to open the existing file.
In simple words: File > Open loads saved documents.
Exam Tip: Ctrl+O is the shortcut to open files.
Question 15. Numbering option can add or remove numbers from selected paragraph.
Answer: Numbering option can add or remove numbers from selected paragraph.
In simple words: Numbering formats lists numerically.
Exam Tip: Found under the Paragraph group in MS Word.
Question 16. Scroll bar is used to move the current page up and down.
Answer: Scroll bar is used to move the current page up and down.
In simple words: Scroll bars navigate through document pages vertically or horizontally.
Question 17. Menu bar is situated just below the title bar.
Answer: Menu bar is situated just below the title bar.
In simple words: The menu bar contains application menus like File, Edit, and View.
Exam Tip: Title bar is topmost; menu bar is right below it.
Question 18. Spacing adjusts the amount of space between letters.
Answer: Spacing adjusts the amount of space between letters.
In simple words: Character spacing controls gaps between letters.
Exam Tip: Also manages line and paragraph spacing.
Question 19. Red wavy line in your text indicates spelling mistake.
Answer: Red wavy line in your text indicates spelling mistake.
In simple words: Red underlines flag spelling errors while green underlines flag grammar.
Exam Tip: Red = spelling, Green = grammar.
Question 20. For making the text Bold and Italics, click Bold, Italics buttons in Font group.
Answer: For making the text Bold and Italics, click Bold, Italics buttons in Font group.
In simple words: Font group tools format text weight and style.
Exam Tip: Shortcuts: Ctrl+B for bold, Ctrl+I for italic.
Question 21. The Shading command colors the background behind the selected text.
Answer: The Shading command colors the background behind the selected text.
In simple words: Shading fills background color behind paragraphs or text.
Exam Tip: Enhances visual presentation of documents.
Question 22. The default alignment of text in MS Word is left.
Answer: The default alignment of text in MS Word is left.
In simple words: Text aligns to the left margin by default.
Exam Tip: Default alignment is left-aligned.
Question 23. For creating a bulleted list, click Bullets in Paragraph group.
Answer: For creating a bulleted list, click Bullets in Paragraph group.
In simple words: Bullets format lists with symbols.
Exam Tip: Found on the Home tab under Paragraph group.
Question 24. The shortcut key to align the text in right is Ctrl+R.
Answer: The shortcut key to align the text in right is Ctrl+R.
In simple words: Ctrl+R aligns paragraphs to the right.
Exam Tip: Ctrl+L for left, Ctrl+E for center, Ctrl+R for right.
Question 25. Superscript option creates small letters above the line of text.
Answer: Superscript option creates small letters above the line of text.
In simple words: Superscript raises text slightly above the baseline.
Question 1. MS Windows is a GUI Operating system.
Answer: True
In simple words: Windows provides graphical interfaces with windows and icons.
Exam Tip: GUI stands for Graphical User Interface.
Question 2. Copy option works in the same way as the Cut option.
Answer: False
In simple words: Copy duplicates items while cut moves them.
Exam Tip: Cut removes original content; copy leaves original intact.
Question 3. Deleted files can be retrieved from the Recycle Bin.
Answer: True
In simple words: Recycle Bin stores deleted files temporarily for recovery.
Exam Tip: Permanently deleted files bypass the Recycle Bin.
Question 4. WordPad is more useful than MS - Word.
Answer: False
In simple words: MS Word offers far more advanced features than WordPad.
Exam Tip: MS Word is a full-featured professional word processor.
Question 5. My Computer gives you a separate window for each object.
Answer: True
In simple words: Each drive or folder opens in its own window.
Exam Tip: My Computer facilitates file and folder navigation.
Question 6. You select Cut and Copy option from the Format menu.
Answer: False
In simple words: Cut and copy options are found in the Edit or Home menu, not Format.
Exam Tip: Format menu handles text and paragraph styling.
Question 7. Paint provides you with several tools to create a bitmap.
Answer: True
In simple words: MS Paint allows users to create and edit bitmap graphics.
Exam Tip: Paint saves files in bitmap formats like .BMP or .PNG.
Question 8. Clear command places the selected text on the clipboard.
Answer: False
In simple words: Cut or copy places text on the clipboard, not clear.
Exam Tip: Clear or delete simply removes text.
Question 9. Whenever you start MS Word, it automatically creates a blank document.
Answer: True
In simple words: MS Word opens a blank default document on startup.
Exam Tip: Default blank document is usually named Document1.
Question 10. The spelling checkers of MS Word cannot check the grammatical spelling errors.
Answer: False
In simple words: MS Word checks both spelling and grammar.
Exam Tip: Uses red and green underlines for checks.
Question 11. Hard copy is printed document.
Answer: True
In simple words: Printed paper output is called a hard copy.
Exam Tip: Contrast with soft copy on computer screens.
Question 12. Grammatical mistakes cannot be found by using grammatical check option.
Answer: False
In simple words: Grammar check options specifically detect grammatical mistakes.
Exam Tip: Grammar checker highlights structural writing errors.
Question 13. The whole document can be printed by choosing Office button > Print.
Answer: True
In simple words: Office button Print command prints the document.
Exam Tip: Ctrl+P is the keyboard shortcut for printing.
Question 14. You should use page down to go to previous page.
Answer: False
In simple words: Page down moves to the next page, while page up moves to the previous page.
Exam Tip: Use Page Up for previous and Page Down for next page.
Question 15. At the time of Print Preview, useful word menu items are not available.
Answer: True
In simple words: Print preview displays how pages will print without editing tools active.
Exam Tip: Preview mode focuses on layout inspection.
Question 16. The print icon is located in View group.
Answer: False
In simple words: Print options are accessed via Office Button or File menu, not the View group.
Question 17. Using the table features of MS Word you can make your time table.
Answer: True
In simple words: Tables organize rows and columns, making timetables easy to create.
Exam Tip: Insert tables via Insert > Table.
Question 18. F3 key can be used to select the current paragraph.
Answer: False
In simple words: F3 does not select paragraphs in MS Word.
Exam Tip: Triple-clicking a paragraph selects it.
Question 19. Collate option helps to arrange the printed documents.
Answer: True
In simple words: Collate prints complete sets of multi-page documents in order.
Exam Tip: Collation ensures correct page sequencing across multiple copies.
Question 20. You cannot insert pictures or graphics to a word document.
Answer: False
In simple words: MS Word easily supports inserting pictures and graphics.
Exam Tip: Use Insert > Picture or Clip Art to add graphics.
III. Multiple Choice Questions. (Choose the most appropriate option)
Question 1. UNIX is a:
(a) Single user operating systems
(b) Multi-user operating system
(c) Single user but multi programming system
(d) Multi-user but multiprocessing system
Answer: (b) Multi-user operating system
UNIX is a powerful multi-user operating system.
In simple words: UNIX allows multiple users to work simultaneously.
Exam Tip: UNIX is widely used in servers and mainframes.
Question 2. The major drawback of time sharing mode is that:
(a) The CPU is not properly utilized
(b) The piece of time for each program is very low
(c) User's program is not secured
(d) Instant program modification is not possible
Answer: (c) User's program is not secured
Time-sharing systems face security challenges across multiple user programs.
In simple words: Security and privacy are harder to maintain in time-sharing environments.
Exam Tip: Time-sharing allocates CPU slices to multiple users.
Question 3. Which of the following are types of operating system?
(a) Multitasking
(b) Real time
(c) Batch processing
(d) All of the options
Answer: (d) All of the options
Operating systems include multitasking, real-time, and batch processing types.
In simple words: All listed options are operating system types.
Exam Tip: Operating systems are classified by processing methods.
Question 4. Which of the following is not a Graphical User Interface?
(a) Linux
(b) Unix
(c) Windows
(d) Solaris
Answer: (b) Unix
Traditional UNIX operates via a text-based command shell.
In simple words: Classic UNIX is command-line based.
Exam Tip: Modern UNIX derivatives have GUI, but classical UNIX is CUI.
Question 5. An operating system that gives user a fair share of CPU time:
(a) Multitasking
(b) Time sharing
(c) Batch processing
(d) Real time
Answer: (b) Time sharing
Time-sharing systems allocate small time slices to give fair CPU access to all users.
In simple words: Time sharing distributes CPU time evenly among users.
Exam Tip: Time-sharing creates multi-user interactivity.
Question 6. When you delete a delete, it goes to:
(a) My Documents
(b) My Computer
(c) Recycle Bin
(d) My Pictures
Answer: (c) Recycle Bin
Deleted files are moved to the Recycle Bin.
In simple words: Deleted items go to the Recycle Bin for potential recovery.
Exam Tip: Emptying the Recycle Bin permanently removes files.
Question 7. To run Windows XP minimum space required is:
(a) 32 MB
(b) 32KB
(c) 32 GB
(d) 32 TB
Answer: (c) 32 GB
Windows XP installation required adequate hard disk space.
In simple words: Windows XP installation needs gigabytes of storage space.
Question 8. ________ allows you to work with the contents of the clipboards.
(a) Cut
(b) Paste
(c) Copy
(d) Clipboard viewer
Answer: (d) Clipboard viewer
Clipboard viewer displays and manages clipboard contents.
In simple words: Clipboard viewer shows items currently copied or cut.
Exam Tip: Useful utility for managing multiple copied items.
Question 9. You can open MS Office directly from the:
(a) File menu
(b) Edit menu
(c) Start menu
(d) Tools menu
Answer: (c) Start menu
Applications can be launched from the Windows Start menu.
In simple words: Start menu lists installed programs like MS Office.
Exam Tip: Start menu is the central launchpad in Windows.
Question 10. The MS Windows screen contains of:
(a) Taskbar
(b) Icons
(c) Desktop
(d) All of the options
Answer: (d) All of the options
The Windows screen features a desktop, taskbar, and application icons.
In simple words: Desktop, taskbar, and icons are all part of the Windows interface.
Exam Tip: Desktop is the main graphical workspace.
Question 11. MS Windows add something to the task bar is a small pictogram representing a program:
(a) Icon
(b) Tool bar
(c) Taskbar
(d) Scroll bar
Answer: (a) Icon
Pictograms representing applications are called icons.
In simple words: Icons are graphical symbols representing programs.
Exam Tip: Double-clicking an icon launches the program.
Question 12. Which command allows you to select the entire document?
(a) Select
(b) Select All
(c) Locate
(d) Find All
Answer: (b) Select All
Select All command highlights the entire document.
In simple words: Select All highlights everything in the file.
Exam Tip: Keyboard shortcut is Ctrl+A.
Question 13. You will find Undo option in:
(a) Quick Access Toolbar
(b) File menu
(c) Ribbon
(d) Status Bar
Answer: (a) Quick Access Toolbar
Undo and Redo buttons reside on the Quick Access Toolbar.
In simple words: Quick Access Toolbar provides fast access to Undo.
Exam Tip: Keyboard shortcut for Undo is Ctrl+Z.
Question 14. ________ gives you access to all the programs available on your computer.
(a) Status bar
(b) Groups
(c) Scroll bar
(d) None of the options
Answer: (d) None of the options
The Start menu provides access to all programs, making none of the other choices correct.
In simple words: Start menu gives access to all installed programs.
Exam Tip: Start menu is the correct answer, which is not listed among a, b, or c.
Question 15. Font option is present in:
(a) Home tab
(b) View tab
(c) View menu
(d) Insert tab
Answer: (a) Home tab
Font formatting tools are located on the Home tab in MS Word.
In simple words: Home tab houses font style, size, and color tools.
Exam Tip: Home tab is the default tab in MS Word.
Question 16. Which option will you choose to auto arrange the icons?
(a) Automatic arrange
(b) Auto arrange
(c) Auto rearrange
(d) Sort icons
Answer: (b) Auto arrange
Auto arrange automatically aligns desktop icons in a grid.
In simple words: Auto arrange keeps desktop icons neatly aligned.
Exam Tip: Access via desktop context menu under View.
Question 17. The double headed arrow at ________ of border resizes a window from both the side.
(a) Vertical
(b) Horizontal
(c) Corner
(d) All of the options
Answer: (c) Corner
Corner borders display diagonal double-headed arrows for resizing height and width simultaneously.
In simple words: Dragging window corners resizes both width and height.
Exam Tip: Window borders allow resizing in single directions.
Question 18. To exit windows, press:
(a) Alt + Z
(b) Alt + Y
(c) Alt + U
(d) Alt + F4
Answer: (d) Alt + F4
Alt+F4 closes active windows and application programs.
In simple words: Alt+F4 is the shortcut to close programs and shut down.
Question 19. You may activate icons by:
(a) Dragging
(b) Dropping
(c) Double clicking
(d) clicking
Answer: (c) Double clicking
Double-clicking opens programs or files represented by desktop icons.
In simple words: Double-clicking launches an icon's program.
Exam Tip: Single click selects; double click opens.
Question 20. A box that appears on a display screen to present information or request input:
(a) Icon
(b) Checkbox
(c) Task bar
(d) Dialog box
Answer: (d) Dialog box
Dialog boxes prompt users for input or display messages.
In simple words: Dialog boxes interact with users to gather choices or data.
Exam Tip: Dialog boxes require user action to proceed.
Question 21. Graphics are inserted in word document through:
(a) Chart
(b) File
(c) Clip Art
(d) Icon
Answer: (c) Clip Art
Clip Art provides ready-made illustrations for documents.
In simple words: Clip Art inserts preset pictures into documents.
Exam Tip: Located under Insert tab in MS Word.
Question 22. To display the spelling and grammar checking dialog box, you can use:
(a) F7
(b) F9
(c) F1
(d) F3
Answer: (a) F7
F7 is the shortcut key for spelling and grammar check.
In simple words: Pressing F7 checks spelling and grammar.
Exam Tip: Very common exam shortcut question.
Question 23. You can select paragraph formatting using option:
(a) View
(b) Paragraph
(c) Font
(d) Margin
Answer: (b) Paragraph
Paragraph formatting controls spacing, alignment, and indentation.
In simple words: Paragraph group manages paragraph formatting.
Exam Tip: Found on the Home tab.
Question 24. The text of current document can be selected by:
(a) Ctrl + S
(b) Ctrl + A
(c) Ctrl + O
(d) Ctrl + P
Answer: (b) Ctrl + A
Ctrl+A selects all document text.
In simple words: Ctrl+A highlights the entire document content.
Exam Tip: Essential text selection shortcut.
Question 25. You can move or copy text to a:
(a) Different location
(b) Document in other program
(c) Other word document
(d) All of the options
Answer: (d) All of the options
Text can be copied or moved within documents, to other documents, or across different applications.
In simple words: Cut, copy, and paste work across documents and programs.
Exam Tip: Clipboard acts as the intermediate transfer medium.
Question 26. Normal view of MS Word does not show:
(a) Standard toolbar
(b) Borders
(c) Header and footer
(d) Formatting toolbar
Answer: (c) Header and footer
Normal view simplifies text entry and hides headers and footers.
In simple words: Normal view hides headers and footers for faster typing.
Exam Tip: Print Layout view displays headers and footers.
Question 27. A word document splits its windows into:
(a) Five parts
(b) Four parts
(c) Three parts
(d) Two parts
Answer: (d) Two parts
MS Word allows splitting the document window into two panes for simultaneous viewing.
In simple words: Window splitting divides the screen into two working panes.
Exam Tip: Useful for viewing different parts of a long document at once.
Question 28. A green wavy line in word document indicates:
(a) Syntax error
(b) Grammatical error
(c) Spelling error
(d) Logical error
Answer: (b) Grammatical error
Green wavy lines flag potential grammar mistakes.
In simple words: Green underlines indicate grammar errors.
Exam Tip: Red = spelling, Green = grammar.
Question 29. You can select from the Print dialog box:
(a) Even pages
(b) All pages
(c) Odd pages
(d) All of the options
Answer: (d) All of the options
Print dialog allows printing even pages, odd pages, or all pages.
In simple words: Print dialog supports custom page ranges and sets.
Exam Tip: Customize print ranges to save paper.
Question 30. In word, the default paper orientation for printing is:
(a) Landscape
(b) Portrait
(c) Square
(d) Custom
Answer: (b) Portrait
Portrait orientation places documents vertically by default.
In simple words: Default page orientation is vertical (portrait).
Exam Tip: Landscape orientation places pages horizontally.
Question 31. You can align the selected paragraph of your document in centre by pressing:
(a) Ctrl + E
(b) Ctrl + R
(c) Ctrl + S
(d) Ctrl + L
Answer: (a) Ctrl + E
Ctrl+E centers selected text.
In simple words: Ctrl+E centers paragraphs.
Exam Tip: Note that Ctrl+C is copy, so center uses Ctrl+E.
Question 32. A word document can be zoomed by:
(a) 300 %
(b) 400 %
(c) 200 %
(d) 150 %
Answer: (c) 200 %
Standard word processors allow zooming up to 200% or more depending on version specifications.
In simple words: Zoom levels adjust document display magnification.
Exam Tip: Zoom controls view size without altering actual font size.
Question 33. You can open a word file by:
(a) Ctrl + A
(b) Ctrl + O
(c) Ctrl + R
(d) Ctrl + S
Answer: (b) Ctrl + O
Ctrl+O opens existing documents.
In simple words: Ctrl+O opens saved files.
Exam Tip: Ctrl+N creates a new document.
Question 34. To underline the text, press:
(a) Ctrl + I
(b) Ctrl + U
(c) Ctrl + B
(d) Ctrl + T
Answer: (b) Ctrl + U
Ctrl+U underlines selected text.
In simple words: Ctrl+U adds underlines to text.
Exam Tip: Ctrl+B is bold, Ctrl+I is italic, Ctrl+U is underline.
Question 35. A new word document can be created by pressing:
(a) Office Button > File
(b) Office Button > New
(c) File > New
(d) Both (b) and (c)
Answer: (b) Office Button > New
In Office 2007, clicking Office Button and selecting New creates a document.
In simple words: Office Button > New opens a blank document.
Exam Tip: Shortcut to create a new document is Ctrl+N.
IV. Answer the following.
Question 1. What is a Window?
Answer: Window is a just a rectangular box, which is a visual area for displaying output and allowing input for a computer process.
In simple words: A window is a rectangular screen area displaying application output.
Exam Tip: Windows are fundamental elements of GUIs.
Question 2. What do you understand by an operating system?
Answer: An operating system acts as an interface between the user and the computer. It controls overall the activities the computer system.
In simple words: OS manages computer hardware and software resources.
Exam Tip: Emphasize its role as an interface.
Question 3. What is an icon?
Answer: An icon is a graphical symbol, which represents application program or documents. Clicking the icon runs an application or open a document. It is a tool for making computer interfaces easier.
In simple words: Icons are small pictures representing programs or files.
Exam Tip: Double-clicking icons executes their functions.
Question 4. What does GUI stands for?
Answer: GUI stands for Graphical User Interface.
In simple words: GUI provides visual graphics for user interaction.
Exam Tip: Memorize acronym expansion.
Question 5. What is the difference between a file and a folder?
Answer: Folder is a collection of files and file is a collection of records.
In simple words: Files store data while folders organize files.
Question 6. Distinguish between copying and moving files.
Answer: When we copy a file, a duplicate file is created and the original source file is not distributed. But whenever a file is moved to a new location, the original file is not retained.
In simple words: Copying duplicates files, while moving relocates them.
Exam Tip: Copy leaves source intact; move deletes source after relocation.
Question 7. What is the difference between Title Bar and Menu Bar?
Answer: The title bar is the topmost bar of a window, which displays the name of active application. The menu bar is situated just below the title bar. It displays various menus for the users to choose as per their requirements to perform the tasks.
In simple words: Title bar shows window names; menu bar provides command menus.
Exam Tip: Title bar is at the very top; menu bar is right below it.
Question 8. What is the Restore button?
Answer: Restore button restores the size of the application window to its original size.
In simple words: Restore button returns maximized or minimized windows to previous sizes.
Exam Tip: Located at the top-right corner of application windows.
Question 9. What happens when you delete a file? What is the use of Recycle bin?
Answer: When we delete a file, it goes to the recycle bin. Recycle bin is a part of the hard disk, where all deleted files are stored. A deleted file can be retrieved from the recycle bin.
In simple words: Deleted files go to the Recycle Bin where they can be restored if needed.
Exam Tip: Recycle Bin provides a safety net against accidental deletion.
Question 10. What is a word processor? How is it useful?
Answer: Word processor is a software program, which processes the word function. It can be used to prepare documents like letters, report, notices, bills etc.
In simple words: Word processors create and edit text documents easily.
Exam Tip: Give examples like MS Word and WordPad.
Question 11. How will you start the MS Word to create your documents?
Answer: Click on Start > All Programs > Microsoft Office > Microsoft Office Word 2007.
In simple words: Launch MS Word from the Windows Start menu programs list.
Question 12. How will you save your document?
Answer: Document can be saved by pressing Ctrl+S or clicking on File > Save As.
In simple words: Save documents using Ctrl+S or the Save menu option.
Exam Tip: Always save work frequently to prevent data loss.
Question 13. What are the shortcut keys for the following - Cut, Copy and Paste?
Answer: Cut : Ctrl + X
Copy : Ctrl + C
Paste : Ctrl + V
In simple words: Cut (Ctrl+X), Copy (Ctrl+C), Paste (Ctrl+V).
Exam Tip: Standard clipboard shortcuts across all software.
Question 14. What is text alignment?
Answer: Text alignment is a position of text in the document. For example - left, right and center.
In simple words: Alignment controls how text lines up relative to margins.
Exam Tip: Left, right, center, and justified are alignment types.
Question 15. What do you understand by word wrap?
Answer: When a text does not fit in a line to its right, it is automatically shifted to next line at starting point, is called word wrapping.
In simple words: Word wrap automatically moves overflowing text to the next line.
Exam Tip: Eliminates manual pressing of Enter at line ends.
Question 16. What do you mean by the indent and indentation?
Answer: The distance between the text boundary and the page margin is indent and the process of doing is called indentation.
In simple words: Indentation adjusts spacing between margins and paragraph text.
Exam Tip: Indents improve document readability and formatting structure.
Question 17. What do you mean by clipboard and what is its utilization?
Answer: Clipboard is a temporary storage area, and it is used to store cut/copy text and graphics and these cut/copy text and graphics are used for pasting/ copying elsewhere.
In simple words: Clipboard temporarily holds cut or copied items for pasting.
Exam Tip: Essential for moving and duplicating data.
Question 18. What is the function of auto correct in MS Word?
Answer: Auto correct feature looks for typing errors and corrects them automatically.
In simple words: AutoCorrect fixes common typos on the fly.
Exam Tip: Customizable in MS Word options.
Question 19. How will you insert a Shape in your document? Explain.
Answer: Shapes can be inserted in a document by selecting Insert > Shape. It has buttons for basic shapes, lines, arrows, flow charts, banners, callouts and other similar shapes, click any of these options.
In simple words: Insert shapes via Insert > Shapes menu.
Exam Tip: Shapes enhance visual illustration in reports.
Question 20. How will insert a Clip Art picture into a word document?
Answer: MS Word has the option to insert picture in a word document. For inserting a picture in a word document from Clip Art Gallery click, Insert > ClipArt. Clip Art pane on the right side of the screen appears. Select the desired category.
In simple words: Insert Clip Art via Insert > Clip Art and select desired graphics.
Exam Tip: Steps outline visual insertion procedures.
Free CBSE Practice Worksheets: Class 9 Computer Science All Chapters
Download Chapter Worksheets: Class 9 Computer Science
Explore reliable practice questions for All Chapters tailored for Class 9 Computer Science learners. Use these structured worksheets to evaluate exam preparedness and strengthen problem-solving skills throughout the 2026 academic session.
Concept Clarification for All Chapters
Built using official NCERT guidelines for Class 9 Computer Science, these practice sheets provide reliable academic support. Cross-reference your completed work with our detailed solutions to learn standard answer-writing formats for CBSE exams.
Effective Revision Strategies for School Exams
Follow up your worksheet practice by attempting the interactive online MCQ tests for All Chapters to evaluate your execution speed. All printable assignments and revision sheets on our platform are updated for the 2026 session and available free of charge.
FAQs
You can download the latest chapter-wise printable worksheets for Class 9 Computer Science All Chapters for free from StudiesToday.com. These have been made as per the latest CBSE curriculum for this academic year.
Yes, Class 9 Computer Science worksheets for All Chapters focus on activity-based learning and also competency-style questions. This helps students to apply theoretical knowledge to practical scenarios.
Yes, we have provided solved worksheets for Class 9 Computer Science All Chapters to help students verify their answers instantly.
Yes, our Class 9 Computer Science test sheets are mobile-friendly PDFs and can be printed by teachers for classroom.
For All Chapters, regular practice with our worksheets will improve question-handling speed and help students understand all technical terms and diagrams.