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Computer MCQs for competitive examinations

1. In Excel you can use a function to combine text from two cells into one cell. But you can use an operator to do the same thing. Which operator is that?

(a) & (ampersan

(b) = (equal sign)

(c) (space)

(d) All of the above

(e) None of the above

2. Screen that at shows all the icons when you turn on your computer

(a) Desktop

(b) Face to face

(c) Viewer

(d) View space

(e) None of these

3. Retrieval of information from a computer is called:

(a) Output

(b) Input

(c) Data

(d) Information

(e) Processing

4. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be

(a) 216

(b) 65,536

(c) 64K

(d) 128K

(e) 35K

5. A dot-matrix printer-

(a) is an input-output device

(b) is an output device only

(c) is an input device only

(d) only 2 &amp 3

(e) None of the above

6. Excel is a collection of

(a) Workbook

(b) Worksheets

(c) Graphs

(d) Charts

(e) None of the above

7. A credit card-sized expansion board that is inserted into portable computers that connects the modem to the telephone wall jack is:

(a) Internal modem

(b) External modem

(c) PC Card modem

(d) Wireless modem

(e) Wired modem

8. Which file format can be added to a PowerPoint show?

(a) .jpg

(b) .gif

(c) .wav

(d) All of the above

(e) None of the above

9. Where is the disk put in a computer ?

(a) in the modem

(b) in the hard drive

(c) into the CPU

(d) in the disk drive

(e) None of these

10. In Windows operating system to minimize all of the windows

(a) Windows Logo

(b) Windows Logo + BREAK

(c) Windows Logo + D

(d) Windows Logo + M

(e) All of the above

11. ASCII-8 is

(a) An extended version of ASCIl-7

(b) Is a 8-bit code

(c) Both A & B are true

(d) Both A & B are false

(e) All of the above

12. In Microsoft PowerPoint the following will not advance the slides in a slide show view

(a) Esc key

(b) The spacebar

(c) The Enter key

(d) The mouse button

(e) All of the above

13. In Windows operating system when you delete a file or folder, it doesn’t actually get deleted right away, it goes to the ————.

(a) Recycle Bin

(b) Dust Bin

(c) Cycle Bin

(d) None of these

(e) All of the above

14. Process of finding/ correcting program errors is

(a) Bugs

(b) Debugging

(c) Hacking

(d) Cracking

(e) All of the above

15. The first layer in OSI reference model is

(a) Network

(b) Physical

(c) Application

(d) Data link

(e) None of these

16. Fax machines and imaging systems are examples of

(a) bar-code readers

(b) imaging systems

(c) scanning devices

(d) pen-based systems

(e) None of these

17. The smallest storage unit in a computer is...

(a) Nibble

(b) Byte

(c) Bit

(d) Word

(e) None of these

18. Excel uses the …. Function when creating a data table

(a) Average

(b) Count

(c) Sum

(d) Table

(e) All of the above

19. To avoid the wastage of memory, the instruction length should be

(a) Multiple of character size only

(b) Of word size only

(c) Of file size only

(d) Of word size which is multiple of character size

(e) None of these

20. In a slide presentation, a typical slide does not have

(a) Photo images, charts, graphs

(b) Clip arts

(c) Audio Clips

(d) Content

(e) Full motion video

21. Which process checks to ensure the components of the computer are operating and connected properly ?

(a) Booting

(b) Processing

(c) Saving

(d) Editing

(e) None of these

22. In addition to keying data directly into a database, data entry can be done from a(n)

(a) input form

(b) table

(c) field

(d) data dictionary

(e) None of these

23. Computer output which is displayed on the screen of a terminal without a permanent copy is called

(a) Soft copy

(b) Hardcopy

(c) Hardware

(d) None of these

(e) All of the above

24. What term is used for the occurrence of values for data elements more than once?

(a) Concurrency

(b) Redundancy

(c) Enumeration

(d) Iteration

(e) None of these

25. Which of the following is specially designed computer chips that reside inside other devices, such as your car or your electronic thermostat etc.?

(a) Robotic computers

(b) Mainframe computers

(c) Embedded computers

(d) Peripheral computers

(e) None of these

26. In------------------ , a file is transferred from another computer to your computer.

(a) Copy

(b) Upload

(c) Download

(d) Upgrade

(e) RSS

27. You can protect a floppy disk.

(a) Read

(b) Read and Write

(c) Write

(d) All of the above

(e) None of these

28. __________is responsible for overall control and co- ordination of instruction execution.

(a) CPU

(b) ALU

(c) RAM

(d) Control UNIT

(e) None of these

29. Which of the following memory can be erased using Ultra Violet Rays?

(a) RAM

(b) ROM

(c) PROM



30. In Excel this function converts miles to kilometers, kilograms to pounds, and so on

(a) Convert

(b) Product

(c) Change

(d) All of above

(e) All of the above

1. a 2. A 3. A 4.b 5.b 6. B. 7. C 8. D 9. d 10. D 11. A 12. A 13. A 14. B 15. B 16. c 17. C 18.d 19. D 20. e 21.a. 22. A 23. A 24. b 25.b 26.c 27. C 28. D 29.d 30.a

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