Important General Knowledge about Computer 2011

Important General Knowledge about Computer 2011

Bold Options are the correct answers

These MCQs are really helpful for those who want to  get the knowledge about computer in few minutes

1. Which of the following items are examples of storage devices? a. Floppy / hard disks
b. CD-ROMs
c. Tape devices
d. All of the above
Correct Answer: d
2. The Width of a processor’s data path is measured in bits. Which of the following are common data paths?a. 8 bits
b. 12 bits
c. 16 bits
d. 32 bits
Correct Answer: a
3. Which is the type of memory for information that does not change on your computer?
a. RAM
b. ROM
c. ERAM
d. RW / RAM
Correct Answer: b

4. What type of memory is not directly addressable by the CPU and requires special softw3are called EMS (expanded memory specification)?
a. Extended
b. Expanded
c. Base
d. Conventional
Correct Answer: b
5. Before a disk can be used to store data. It must be…….
a. Formatted
b. Reformatted
c. Addressed
d. None of the above
Correct Answer: a
6. What type of device is computer keyboard?
a. Memory
b. Output
c. Storage
d. Input
Correct Answer: d
7. The original ASCII code used…bits of each byte, reserving that last bit for error checking
a. 5
b. 6
c. 7
d. 8
Correct Answer: c
8. Which company is the biggest player in the microprocessor industry?
a. Motorola
b. IBM
c. Intel
d. AMD
Correct Answer: c
9. What is required when more than one person uses a central computer at the same time?
a. Light pen
b. Mouse
c. Digitizer
d. Terminal
Correct Answer: d
10. A hard copy would be prepared on a
a. Line printer
b. Dot matrix Printer
c. Typewriter terminal
d. All of the above
Correct Answer: d
11. A typical personal computer used for business purposes would have… of RAM.
a. 4 KB
b. 16 K
c. 64 K
d. 256 K
Correct Answer: d

12. A high quality CAD system uses the following for printing drawing and graphs
a. Dot matrix printer
b. Digital plotter
c. Line printer
d. All of the above
Correct Answer: b

13. Symbolic logic was discovered by
a. George Boole
b. Herman Hollerith
c. Van Neumann
d. Basic Pascal
Correct Answer: a
14. What was the nick name of the computer used by the Americans in 1952 for their H-bomb project?
a. ENIAC
b. EDSAC
c. MANIAC
d. UNIVAC
Correct Answer: c
15. The word length of a computer is measured in
a. Bytes
b. Millimeters
c. Meters
d. Bits
Correct Answer: d
16. Multi user systems provided cost savings for small business because they use a single processing unit to link several
a. Personal computers
b. Workstations
c. Dumb terminals
d. Mainframes
Correct Answer: c
17. What are the three decisions making operations performed by the ALU of a computer?
a. Grater than
b. Less than
c. Equal to
d. All of the above
Correct Answer: d
18. Which part of the computer is used for calculating and comparing?
a. Disk unit
b. Control unit
c. ALU
d. Modem
Correct Answer: c
19. Can you tell what passes into and out from the computer via its ports?
a. Data
b. Bytes
c. Graphics
d. Pictures
Correct Answer: a
20. Which type of computers uses the 8-bit code called EBCDIC?
a. Minicomputers
b. Microcomputers
c. Mainframe computers
d. Super computer
Correct Answer: c

Note:

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