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Friday, January 7, 2011

mcqs about computer



1. A disadvantage of the laser printer is:
a. It is quieter than an impact printer
b. It is very slow
c. The output is of a lower quality
d. None of above

2. Which of the following is not true for a magnetic disk?
a. It is expensive relative to magnetic tape
b. It provides only sequential access to stored data
c. Users can easily update records by writing over the old data
d. All of above

3. The primary advantage of key-to-tape data entry system is
a. A large percentage of editing can be performed at the time of data entry
b. Key verification is easily performed
c. The tape is reusable
d. Keying errors can be detected as they occur.

4. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
a. Data collection terminal
b. OCR register terminal
c. Video Display terminal
d. POS terminal

5. Which of the following does not affect the resolution of a video display image?
a. Bandwidth
b. Raster scan rage
c. Vertical and horizontal lines of resolution
d. Screen size

6. While inserting a diskette into the diskette drive of a PC, the diskette’s label side should face
a. East
b. North
c. South
d. Up

7. in which year was UK’s premier computing event called “The which computer” started?
a. 1980
b. 1985
c. 1986
d. 1987

8. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance,
a. Capacitance keyboard
b. Mechanical keyboard
c. Qwerty keyboard
d. Dvorak keyboard

9. Different components on the motherboard of a PC processor unit are linked together by sets or parallel electrical conducting lines. What are these lines called?
a. Conductors
b. Buses
c. Connectors
d. Connectively

10. Which of the following magazines covers only the IBM PC and its compatibles?
a. Byte
b. PC Magazine
c. Personal Computing
d. Interface Age

11. Which of the following professions has not been affected by personal computers?
a. Medical
b. Clerical and law
c. Accounting
d. None of the above

12. The arranging of data in a logical sequence is called
a. Sorting
b. Classifying
c. Reproducing
d. Summarizing

13. When was Apple Macintosh II microcomputer introduced in the market?
a. 1964
b. 1970
c. 1983
d. 1986

14. What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson?
a. AX3/33
b. NEC-20
c. Magnum 2000
d. HCL-3000

15. What does the disk drive of a computer do?
a. Rotate the disk
b. Read the disk
c. Load a program from the disk into the memory
d. Both b and c

16. The language that the computer can understand and execute is called
a. Machine language
b. Application software
c. System program
d. All of above

17. An application suitable for sequential processing is
a. Processing of grades
b. Payroll processing
c. Both a and b
d. All of above

18. The word processing task associated with changing the appearance of a document is
a. Editing
b. Writing
c. Formatting
d. All of above

19. Which of the following is used as a primary storage device?
a. Magnetic drum
b. Prom
c. Floppy
d. All of above

20. Which of the following memories needs refreshing?
a. SRAM
b. DRAM
c. ROM
d. All of above




Answers




1. A disadvantage of the laser printer is:
d. None of above

2. Which of the following is not true for a magnetic disk?
b. It provides only sequential access to stored data

3. The primary advantage of key-to-tape data entry system is
c. The tape is reusable

4. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
d. POS terminal

5. Which of the following does not affect the resolution of a video display image?
d. Screen size

6. While inserting a diskette into the diskette drive of a PC, the diskette’s label side should face
d. Up

7. in which year was UK’s premier computing event called “The which computer” started?
a. 1980

8. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance,
a. Capacitance keyboard

9. Different components on the motherboard of a PC processor unit are linked together by sets or parallel electrical conducting lines. What are these lines called?
b. Buses

10. Which of the following magazines covers only the IBM PC and its compatibles?
b. PC Magazine

11. Which of the following professions has not been affected by personal computers?
d. None of the above

12. The arranging of data in a logical sequence is called
a. Sorting

13. When was Apple Macintosh II microcomputer introduced in the market?
c. 1983

14. What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson?
a. AX3/33

15. What does the disk drive of a computer do?
d. Both b and c

16. The language that the computer can understand and execute is called
a. Machine language

17. An application suitable for sequential processing is
c. Both a and b

18. The word processing task associated with changing the appearance of a document is
c. Formatting

19. Which of the following is used as a primary storage device?
b. Prom

20. Which of the following memories needs refreshing?
b. DRAM

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