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Friday, January 7, 2011

mcqs about computer

1. Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?
a. Daisy wheel
b. Dot matrix
c. Laser
d. Thimble

2. Which of the following printing devices an output composed of a series of data?
a. Wire matrix printer
b. Band printer
c. Wang image printer
d. Both a and c

3. The personal computer industry was started by
a. IBM
b. Apple
c. Compaq
d. HCL

4. In the IBM PC-At, what do the words AT stand for
a. Additional Terminals
b. Advance technology
c. Applied technology
d. Advanced terminology

5. Magnetic tape can serve as
a. Secondary storage media
b. Output media
c. Input media
d. All of the above

6. 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. Any of the above

7. The two major types of computer chips are
a. External memory chip
b. Primary memory chip
c. Microprocessor chip
d. Both b and c

8. As compared to the secondary memory, the primary memory of a computer is
a. Large
b. Cheap
c. Fast
d. Slow

9. Which of the following is a way to access secondary memory?
a. Random access memory
b. Action method
c. Transfer method
d. Density method

10. Which was the most popular first generation computer?
a. IBM 1650
b. IBM 360
c. IBM 1130
d. IBM 2700

11. What is the responsibility of the logical unit in the CPU of a computer?
a. To produce result
b. To compare numbers
c. To control flow of information
d. To do math’s works

12. The secondary storage devices can only store data but they cannot perform
a. Arithmetic Operation
b. Logic operation
c. Fetch operations
d. Either of the above

13. Which of the printers used in conjunction with computers uses dry ink power?
a. Daisy wheel printer
b. Line printer
c. Laser printer
d. Thermal printer

14. Which of the following produces the best quality graphics reproduction?
a. Laser printer
b. Ink jet printer
c. Plotter
d. Dot matrix printer

15. Which of the following memories allows simultaneous read and write operations?
a. ROM
b. RAM
c. EPROM
d. None of above

16. Which of the following memories has the shortest access times?
a. Cache memory
b. Magnetic bubble memory
c. Magnetic core memory
d. RAM

17. A 32 bit microprocessor has the word length equal to
a. 2 byte
b. 32 byte
c. 4 byte
d. 8 byte

18. An error in computer data is called
a. Chip
b. Bug
c. CPU
d. Storage device

19. A set of information that defines the status of resources allocated to a process is
a. Process control
b. ALU
c. Register Unit
d. Process description

20. Any method for controlling access to or use of memory is known
a. Memory map
b. Memory protection
c. Memory management
d. Memory instruction


Answers:



1. Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?
c. Laser

2. Which of the following printing devices an output composed of a series of data?
d. Both a and c

3. The personal computer industry was started by
a. IBM

4. In the IBM PC-At, what do the words AT stand for
b. Advance technology

5. Magnetic tape can serve as
d. All of the above

6. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
b. 65,536

7. The two major types of computer chips are
d. Both b and c

8. As compared to the secondary memory, the primary memory of a computer is
c. Fast

9. Which of the following is a way to access secondary memory?
a. Random access memory

10. Which was the most popular first generation computer?
a. IBM 1650

11. What is the responsibility of the logical unit in the CPU of a computer?
b. To compare numbers

12. The secondary storage devices can only store data but they cannot perform
d. Either of the above

13. Which of the printers used in conjunction with computers uses dry ink power?
c. Laser printer

14. Which of the following produces the best quality graphics reproduction?
c. Plotter

15. Which of the following memories allows simultaneous read and write operations?
b. RAM

16. Which of the following memories has the shortest access times?
a. Cache memory

17. A 32 bit microprocessor has the word length equal to
c. 4 byte

18. An error in computer data is called
b. Bug

19. A set of information that defines the status of resources allocated to a process is
d. Process description

20. Any method for controlling access to or use of memory is known
b. Memory protection

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