Get ready for Computer Science with these CBSE Class 7 MCQs, organized chapter by chapter for 2026-27. They help you master the current exam pattern, and build sharper problem-solving skills.
What Class 7 Students Gain From Computer Science MCQs
- Matched closely to the 2026 CBSE Computer Science textbook and current guidelines.
- A wide range of Class 7 Assertion and Reasoning, Case-based, and Fill-in-the-blanks questions for Computer Science.
- Each Computer Science chapter has its own set, so you can check your understanding topic by topic.
- Every Computer Science MCQ comes with a correct, explained answer - not just the right option.
Class 7 Computer Science Chapter-wise MCQ Question Bank
Access the latest 2026-27 question sets for Computer Science below. These MCQs are a solid way to check your own understanding, and spot weak areas before your exams.
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Quick Practice - Class 7 Computer Science Select any topic below to practice key multiple-choice questions with instant scoring and verified explanations. Q1.Who is universally acknowledged as the "Father of the Computer"? Answer: (b) Charles Babbage. Charles Babbage conceptualized and designed the Analytical Engine, the foundation of modern general-purpose mechanical computers.
Q2.What is the main purpose of an algorithm in computer science? Answer: (a) A step-by-step set of logical instructions to solve a specific problem. An algorithm is a well-defined sequence of steps that takes an input and produces the desired output.
Q1.What does the acronym 'URL' stand for in Internet technology? Answer: (c) Uniform Resource Locator. A URL is the global web address used to locate resources on the World Wide Web.
Q2.Which software application is used to access, retrieve, and view web pages on the Internet? Answer: (b) Web Browser. Web browsers (e.g., Google Chrome, Mozilla Firefox, Microsoft Edge) interpret HTML/CSS code and render web pages for users.
Q1.Which component of the Central Processing Unit (CPU) directs and coordinates all operations within the computer? Answer: (a) Control Unit (CU). The Control Unit extracts instructions from memory, decodes them, and manages the flow of signals among the ALU, registers, and other devices.
Q2.The primary printed circuit board that connects the CPU, memory, expansion cards, and storage devices is called the: Answer: (d) Motherboard. The motherboard acts as the main electronic hub facilitating power distribution and communication between all hardware parts.
Q1.A security system designed to prevent unauthorized incoming and outgoing access to or from a private network is a: Answer: (c) Firewall. A firewall inspects and filters network traffic according to predefined security rules to block malicious access.
Q2.A fraudulent attempt to obtain sensitive information like passwords and credit card details by pretending to be a trustworthy entity in an email is: Answer: (a) Phishing. Phishing involves deceptive communications that mislead recipients into revealing sensitive personal or corporate data.
Q1.Which core electronic component was used in First-Generation computers (e.g., ENIAC, UNIVAC)? Answer: (b) Vacuum Tubes. First-generation systems relied on vacuum tubes for circuitry and magnetic drums for memory, producing significant heat.
Q2.Third-Generation computers replaced individual transistors with: Answer: (a) Integrated Circuits (ICs). Developed by Jack Kilby and Robert Noyce, ICs integrated multiple transistors on silicon semiconductors, increasing speed and efficiency.
Q1.Which of the following is strictly an input hardware device? Answer: (d) Optical Character Reader (OCR) / Barcode Scanner. Scanners and OCR devices capture optical data and send digital representations into the computer.
Q2.Solid State Drives (SSDs) are faster and more reliable than traditional Hard Disk Drives (HDDs) because SSDs: Answer: (b) Have no moving parts and use flash memory chips. SSDs read and write data electronically to non-volatile semiconductor flash memory, resulting in faster data access and greater shock resistance.
Q1.A computer network restricted to a small geographic area like a single school room, lab, or office building is a: Answer: (a) LAN (Local Area Network). LANs connect computers over short physical distances to share local resources such as printers and files.
Q2.In which network topology are all computer nodes connected to a single central cable (backbone)? Answer: (c) Bus Topology. Bus topology transmits data along a single central transmission line shared by all connected devices.
Q1.System software that manages computer hardware resources and provides common services for application programs is the: Answer: (b) Operating System. The OS handles CPU task scheduling, memory allocation, disk file access, and peripheral device input/output.
Q2.Antivirus programs, disk cleanup tools, and file compression utilities belong to which software category? Answer: (d) Utility Software. Utility software performs maintenance and optimization tasks to keep the operating system running smoothly.
Q1.A communication mode in which data transmission occurs in both directions, but in only one direction at a time (like a walkie-talkie), is: Answer: (a) Half-Duplex Mode. In half-duplex, both connected stations can transmit and receive, but not simultaneously.
Q2.Which physical guided transmission medium carries data signals as pulses of light through thin strands of glass? Answer: (c) Fiber Optic Cable. Fiber optic cables transmit modulated light pulses using total internal reflection, providing high bandwidth and immunity to electromagnetic interference.
Q1.What is the foundational operational cycle followed by all digital computers? Answer: (b) Input → Process → Output → Storage (IPOS). Computers accept raw data (input), manipulate it according to instructions (processing), display results (output), and retain data for future use (storage).
Q2.The smallest individual unit of digital data processed by a computer is a: Answer: (a) Bit (0 or 1). A bit (binary digit) is the basic unit of information in computing, representing either 0 or 1.
Q1.What was the precursor network launched by the U.S. Department of Defense in 1969 that evolved into the modern Internet? Answer: (c) ARPANET. The Advanced Research Projects Agency Network (ARPANET) was the first operational packet-switching network and formed the technical foundation of the Internet.
Q2.Which protocol transfers hypertext files and multimedia documents across the World Wide Web? Answer: (b) HTTP / HTTPS. HyperText Transfer Protocol (Secure) is the communication foundation used by web browsers and servers to exchange web pages.
Q1.Why is RAM (Random Access Memory) described as volatile primary memory? Answer: (a) It loses all stored data as soon as electrical power is disconnected. RAM requires continuous electrical charge to maintain data, making it temporary, volatile storage.
Q2.Which non-volatile chip stores the initial BIOS startup instructions to boot the computer system? Answer: (d) ROM (Read-Only Memory). ROM permanently retains the Basic Input/Output System (BIOS) and bootstrap loader required to initialize hardware during startup.
Q1.What is the correct hierarchical order of computer storage components from fastest to slowest access speed? Answer: (c) CPU Registers → Cache Memory → Main Memory (RAM) → Secondary Storage. Internal CPU registers are the fastest, followed by SRAM cache, DRAM system memory, and secondary disks.
Q2.High-speed Cache memory is placed directly between the CPU and RAM to: Answer: (b) Bridge the speed mismatch by holding frequently accessed data and instructions. Cache memory reduces processor idle time by keeping frequently used instructions close to the CPU core.
Q1.Which application in the Microsoft Office suite is designed for managing relational databases and records? Answer: (b) Microsoft Access. Microsoft Access is a relational database management tool used to build tables, forms, queries, and reports.
Q2.The user interface band at the top of Microsoft Office applications containing tabs and groups of commands is called the: Answer: (c) Ribbon. The Ribbon organizes commands into contextual tabs (such as Home, Insert, Layout) for navigation across Office tools.
Q1.What type of user interface does Microsoft Windows provide to allow interaction via icons, menus, and visual indicators? Answer: (a) Graphical User Interface (GUI). A GUI lets users interact with the operating system using visual elements like windows, icons, and menus instead of typed text commands.
Q2.Which built-in Windows utility is used to explore, organize, copy, and manage files and folders? Answer: (d) File Explorer (Windows Explorer). File Explorer provides a graphical interface for browsing storage drives, folders, and documents.
Q1.Every formula and built-in function in Microsoft Excel must start with which symbol? Answer: (c) Equal sign (=). Excel identifies an entry as a formula or function when it starts with an equals sign (=).
Q2.The rectangular intersection of column C and row 8 in an Excel worksheet is referenced as: Answer: (a) C8. Excel cell coordinates specify the column letter first, followed by the row number.
Q1.Which powerful feature in MS Word is used to generate personalized mass letters or certificates to multiple recipients from a data source? Answer: (b) Mail Merge. Mail Merge merges a standard main document template with a recipient data list to generate customized documents in bulk.
Q2.What is the standard keyboard shortcut key combination used to center-align selected paragraph text in MS Word? Answer: (a) Ctrl + E. Ctrl + E center-aligns text, whereas Ctrl + L aligns left, Ctrl + R aligns right, and Ctrl + J justifies text.
Q1.What is the base (radix) of the Binary number system and the Hexadecimal number system respectively? Answer: (d) Base 2 and Base 16. The Binary system uses two symbols (0 and 1; base 2), while Hexadecimal uses sixteen symbols (0–9 and A–F; base 16).
Q2.What is the decimal equivalent of the binary number (1011)₂? Answer: (c) 11. Calculating powers of two: (1 × 2³) + (0 × 2²) + (1 × 2¹) + (1 × 2⁰) = 8 + 0 + 2 + 1 = 11.
Q1.Which peripheral device functions simultaneously as both an input and an output device? Answer: (b) Touchscreen Display Terminal. A touchscreen displays visual output while simultaneously accepting touch gestures as input.
Q2.What type of specialized output hardware device is used to print high-precision architectural blueprints and vector engineering designs? Answer: (a) Plotter. Plotters draw continuous vector graphics using specialized pens or cutters, making them suited for architectural drawings and engineering schematics.
Q1.A Personal Computer (PC) is technically classified under which broad size and processing category of computers? Answer: (b) Microcomputer. Personal computers (desktops and laptops) are microcomputers powered by single-chip microprocessors designed for individual use.
Q2.Which backup power hardware device supplies temporary battery electricity to a PC during sudden mains power failure? Answer: (c) UPS (Uninterruptible Power Supply). A UPS provides emergency battery power when mains electricity fails, giving users time to save work and shut down safely.
Q1.Which function key on the keyboard starts a PowerPoint Slide Show from the first slide? Answer: (a) F5. Pressing F5 launches the slide show from slide 1, while Shift + F5 starts the show from the currently selected slide.
Q2.What is the primary difference between a 'Slide Transition' and a 'Custom Animation'? Answer: (b) Transitions govern the visual effect when moving between slides; Animations apply to specific elements on a slide. Slide transitions control the entrance/exit of entire slides, while animations animate individual text boxes, shapes, or images within a slide.
Q1.What is the key functional difference between a Compiler and an Interpreter? Answer: (c) A compiler translates the entire high-level program into machine code at once; an interpreter translates and executes line-by-line. Compilers analyze the whole source file in a single pass to produce an executable, whereas interpreters parse and run code line by line.
Q2.Which low-level programming language uses mnemonic operation codes (like ADD, SUB, MOV) instead of pure binary 0s and 1s? Answer: (a) Assembly Language. Assembly language replaces binary opcodes with readable mnemonics, which an assembler converts into machine code.
Q1.Software that is distributed freely with its original source code accessible for anyone to modify and enhance is termed: Answer: (b) Open Source Software (e.g., Linux, LibreOffice). Open-source licenses grant users the right to inspect, modify, and redistribute the underlying source code.
Q2.Software permanently embedded into a hardware device's read-only memory by the manufacturer is called: Answer: (a) Firmware. Firmware is semi-permanent software programmed directly into hardware chips (such as the BIOS or device controllers) to operate the physical equipment.
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| All Chapters MCQs |
| Basics of Internet Technology MCQs |
| Components of Computer System MCQs |
| Computer & Network Security MCQs |
| Computer Generation MCQs Set 01 |
| Computer Hardware MCQs |
| Computer Network MCQs |
| Computer Software MCQs |
| Data Communication MCQs Set 01 |
| Fundamentals of Computer MCQs |
| Internet MCQs Set 01 |
| Introduction MCQs Set 01 |
| Memory MCQs Set 01 |
| Memory Organisation MCQs |
| Microsoft Office MCQs Set 01 |
| Microsoft Window MCQs |
| MS Excel MCQs |
| MS Word MCQs |
| Number System MCQs Set 01 |
| Peripheral Devices MCQs Set 01 |
| Personal Computer MCQs Set 01 |
| Power Point MCQs |
| Programming Language MCQs Set 01 |
| Software MCQs Set 01 |
FAQs
For the 2026-27 session, MCQs and objective-type questions carry around 20% weightage. CBSE has introduced 30% competency based questions as MCQs and they are important part of the Class 7 Computer Science paper.
You can access the latest chapter-wise MCQs for Class 7 Computer Science for free from StudiesToday.com. All questions are based on the latest syllabus and current academic year.
Yes, our Computer Science practice bank includes the new pattern of Assertion Reasoning and Case Study based MCQs. They have been designed to test the analytical skills of Class 7 students.
Solving Class 7 Computer Science MCQs regularly improves speed and accuracy as these are objective questions can get you 100% marks if your understanding of the topic is clear.
Yes, all Class 7 Computer Science MCQs and answers are accessible on any device at your convenience.
No, all Computer Science Multiple Choice Questions (MCQs), practice papers, and solutions for Class 7 are available for free for students to get more marks school exams.