CBSE Class 8 Computer Science Basics of Computers Worksheet

Question. In Excel All macro keyboard shortcuts include the….. key
(a) Alt
(b) Ctrl
(c) F11
(d) Shift
(e) All of the above

Answer. A

Question. Linux is a (n) operating system.
(a) open-source
(b) Microsoft
(c) Windows
(d) Mac
(e) None of these

Answer. A

Question. Allocation of a resources in a time dependent fashion to several program simultaneously called
(a) multi user
(b) multi-tasking
(c) time sharing
(d) Multiprogramming
(e) None of these

Answer. C

Question. In Excel Multiple calculations can be made in a single formula using
(a) standard formulas
(b) array formula
(c) complex formulas
(d) smart formula
(e) All of the above

Answer. B

Question. The attributes and methods for each object are stored in.
(a) an object instance
(b) an object connection
(c) an assembly structure
(d) an object repository
(e) None of these

Answer. D

Question. Internet banking is an example of
(a) Electronic funds transfer (EFT)
(b) EDP (Electronic Data Processing)
(c) EBCDIC
(d) ASCII
(e) All of the above

Answer. A

Question. The overall design, construction, organization and interconnecting of the various components of a computer system is referred as
(a) Computer Architecture
(b) Computer Flow chart
(c) Computer Algorithm
(d) None of these
(e) All of the above

Answer. A

Question. It is software for creating newsletters, business cards, flyers, greeting cards or postcards.
(a) Microsoft Publisher
(b) Microsoft PowerPoint
(c) Microsoft Access
(d) None of these
(e) All of the above

Answer. A

Question. Which is the example of spread sheet?
(a) MS word
(b) MS excel
(c) Power point
(d) MS Access
(e) None of these

Answer. B

Question. Broadband channel is the
(a) The fastest carriers where data transfer rates is of 1 million baud (bits/second or more.
(b) The slower carriers where data transfer rates is of 56k baud
(c) Musical channel
(d) None of these
(e) All of the above

Answer. A

Question. SNOBOL is
(a) string oriented symbolic language
(b) high-level language
(c) both A & B
(d) None of these
(e) All of the above

Answer. C

Question. Technique of placing software/programs in a ROM semiconductor chip is called
(a) PROM
(b) EPROM
(c) firm ware
(d) microprocessor
(e) All of the above

Answer. C

Question. User-friendly means
(a) Easy to use, operate and understand etc.
(b) Understood by means of straight forward guide.
(c) Process that makes it easier for novice to use a computer.
(d) All of the above
(e) None of these

Answer. D

Question. A sender must not be able to deny that he sent a specific message when he in fact did. This is an aspect ofsecurity called .
(a) privacy
(b) authentication
(c) integrity
(d) non-repudiation
(e) None of these

Answer. D

Question. Terminals is
(a) An input device which allows a user to communicate directly with a computer system.
(b) An output device which allows a user to communicate directly with a computer system.
(c) Both A & B
(d) None of these
(e) All of the above

Answer. C

Question. In Windows operating system shortcut SHIFT+DELETE is used for
(a) Delete the selected item permanently without placing the item in the Recycle Bin
(b) Copy the selected item
(c) Rename the selected item
(d) Create a shortcut to the selected item
(e) All of the above

Answer. A

Question. is the process of finding errors in software code?
(a) Compiling
(b) Testing
(c) Running
(d) Debugging
(e) None of these

Answer. B

Question. Extension name of flash file is .
(a) .pdf
(b) .swf
(c) .pmd
(d) .prd
(e) None of these

Answer. B

Question. Which of the following is the process of transferring software programme from a secondary storage media into the hard disc?
(a) Storage
(b) Updating
(c) Upload
(d) installation
(e) None of these

Answer. D

Question. The word bandwidth is also used to mean ?
(a) width of the data cable
(b) amount of data transferred
(c) number of the computers on a particular network
(d) Both 1 &amp 2
(e) None of these

Answer. B

Question. Something which has easily-understood instructions is said to be
(a) information
(b) word processing
(c) user friendly
(d) icon
(e) None of these

Answer. C

Question. Excel workbook contains
(a) Workbooks
(b) Worksheets
(c) Worksheets and charts
(d) Work areas
(e) All of these

Answer. C

Question. Travel agents use this computer system when reserving flights.
(a) Supercomputer
(b) Mainframe computer
(c) Personal computer
(d) All of the above
(e) None of these

Answer. C

Question. Following is true for the digital computer
(a) Information is in form of a string of binary digits
(b) It can be used as analog processor
(c) It is less accurate than the analog computer
(d) None of these.
(e) All of the above

Answer. A

Question. In Microsoft Word using SHIFT with any of the arrow keys
(a) Highlight a block of text
(b) Delete something
(c) Paste something
(d) Select more than one item in a window or on the desktop, or select text in a document
(e) All of the above

Answer. D

Question. The performance of a hard drive or other storage device, meaning how long it takes to locate a file is called?
(a) Response time
(b) Access Time
(c) Quick time
(d) Processing time
(e) None of these

Answer. B

Question. Files created with Lotus 1-2-3 have an extension
(a) DOC
(b) XLS
(c) 123
(d) WK1
(e) All of the above

Answer. C

Question. To produce a high - quality graphics (hardcopy) in color, you would want to use a
(a) Virtual Printer
(b) Laser Printer
(c) Ink - jet Printer
(d) Plotter
(e) RGB Monitor

Answer. D

Question. A fault in a computer program which prevents it from working correctly is known as .
(a) Boot
(b) Bug
(c) Biff
(d) Strap
(e) None

Answer. B

Question. In Windows operating system after you double-click a character on the grid of characters, keyboard shortcut DOWN ARROW is used for
(a) Move to the right or to the beginning of the next line
(b) Move to the left or to the end of the previous line
(c) Move up one row
(d) Move down one row
(e) All of the above

Answer. D

Question. In Microsoft PowerPoint cell is defined as
(a) The intersection of a column and a row
(b) An input box
(c) A rectangular marker
(d) All of the above
(e) All of the above

Answer. A

Question. What is the file extension of Ms-Word97- 2003 document?
(a) Dot
(b) Doc
(c) Dom
(d) Txt
(e) All of the above

Answer. B

Question. An operation in which data is moved to a different location is referred as
(a) Block move
(b) Street move
(c) Delete
(d) None of these
(e) All of the above

Answer. A

Question. By CD you can
(a) Read
(b) Write
(c) Read and Write
(d) Either Read or Write
(e) None of these

Answer. A

Question. In Windows operating system it is a window that is used to display text or to receive text from you. The type of text it displays or the type of text you are asked to provide depends on the application or the situation.
(a) Control’s Focus
(b) Dialog Boxes
(c) Command Buttons
(d) Text Boxes
(e) All of the above

Answer. D

Question. A set of corresponding track in the all surface of a disk pack is known as-
(a) Surface
(b) Cylinder
(c) Track
(d) platter
(e) None of these

Answer. D

Question. Communications device, combines transmissions from several devices into on line is
(a) concentrator
(b) modifier
(c) multiplexer
(d) full-duplex line
(e) All of the above

Answer. C

Question. is a set of rules that tell the computer what to do.
(a) Procedural language
(b) Natural language
(c) Command language
(d) Programming language
(e) Instructions

Answer. D

Question. Which of the following is not an operating system?
(a) DOS
(b) Oracle
(c) Linux
(d) Windows
(e) None of these

Answer. B

Question. A device designed to read information encoded onto a small plastic card is.
(a) light pen
(b) Punch card
(c) magnetic tape
(d) magnetic
(e) badge reader

Answer. E

Question. Which bus controls the sequencing of read/write operations?
(a) Control bus
(b) Address bus
(c) Data bus
(d) All of the above
(e) None of these

Answer. A

Question. Disk operating system is referred for
(a) DOS
(b) Operating system which contains the disk- oriented commands and uses disk devices for permanent storage
(c) Both A & B
(d) None of these
(e) All of the above

Answer. C

Question. Transmission of data in one direction is called
(a) Simplex
(b) Duplex
(c) Triplex
(d) None of these
(e) All of the above

Answer. A

Question. The OCR is used for the preparation of
(a) electricity bills
(b) insurance premium
(c) telephone bills
(d) All of these
(e) None of these

Answer. D

Question. A hacker contacts you my phone or email and attempts to acquire your password
(a) spoofing
(b) phishing
(c) spamming
(d) bugging
(e) None of these

Answer. B

Question. In Microsoft Word shortcut SHIFT+DELETE is used for
(a) Delete the selected item permanently without placing the item in the Recycle Bin
(b) Copy the selected item
(c) Rename the selected item
(d) Create a shortcut to the selected item
(e) All of the above

Answer. A

Question. The can be programmed one time by either the manufacturer or the computer user. Once programmed, it cannot be modified.
(a) RAM
(b) ROM
(c) PROM
(d) EPROM
(e) All of the above

Answer. C

Question. Which of the following products/softwares is not associated with Microsoft?
(a) Microsoft Silverlight
(b) Windows CE
(c) Surface Tablet
(d) Windows Live
(e) None of these

Answer. A

Question. A sequence of instruction (software) that is substituted for hardware and stored in read only memory (ROM) is called
(a) Integrated circuit
(b) Firmware
(c) Flip-flop
(d) None of these
(e) All of the above

Answer. B

Question. In Excel you can use the drag and drop method to
(a) Copy cell contents
(b) Move cell contents
(c) Add cell contents
(d) A and B
(e) All of the above

Answer. D