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Friday, January 7, 2011

mcqs about computer

1. To locate a data item for storage is
a. Field
b. Feed
c. Database
d. Fetch

2. programs designed to perform specific tasks is known as
a. system software
b. application software
c. utility programs
d. operating system

3. perforated paper used as input of output media is known as
a. paper tapes
b. magnetic tape
c. punched papers tape
d. card punch

4. Time during which a job is processed by the computer is
a. Delay times
b. Real time
c. Execution time
d. Down time

5. a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as
a. Super computer
b. Mini computer
c. Micro computer
d. Macro computer

6. An approach that permits the computer to work on several programs instead of one is
a. On-line thesaurus
b. Multiprogramming
c. Over lapped processing
d. Outline processor

7. A directly accessible appointment calendar is feature of a … resident package
a. CPU
b. Memory
c. Buffer
d. ALU

8. The term gigabyte refers to
a. 1024 bytes
b. 1024 kilobytes
c. 1024 megabytes
d. 1024 gigabyte

9. Which of the following processors use RISC technology?
a. 486dx
b. Power PC
c. 486sx
d. 6340

10. A/n …. Device is any device that provides information, which is sent to the CPU
a. Input
b. Output
c. CPU
d. Memory

11. Current SIMMs have either … or … connectors (pins)
a. 9 or 32
b. 30 or 70
c. 28 or 72
d. 30 or 72

12. The storage subsystem in a microcomputer consists mainly of … or … media with varying capacities
a. Memory or video
b. Magnetic or optical
c. Optical or memory
d. Video or magnetic

13. Which of the following is not an input device?
a. OCR
b. Optical scanners
c. Voice recognition device
d. COM (Computer Output to Microfilm)

14. The central processing unit (CPU) consists of
a. Input, output and processing
b. Control unit, primary storage, and secondary storage
c. Control unit, arithmetic-logic unit and primary storage
d. Control unit, processing, and primary storage

15. EBCDIC can code up to how many different characters?
a. 256
b. 16
c. 32
d. 64

16. Which is considered a direct entry input device?
a. Optical scanner
b. Mouse and digitizer
c. Light pen
d. All of the above

17. Which is used for manufacturing chips?
a. Bus
b. Control unit
c. Semiconductors
d. A and b only

18. The computer code for the interchange of information between terminals is
a. ASCII
b. BCD
c. EBCDIC
d. All of above

19. A byte consists of
a. One bit
b. Four bits
c. Eight bits
d. Sixteen bits

20. A hybrid computer
a. Resembles digital computer
b. Resembles analog computer
c. Resembles both a digital and analog computer
d. None of the above


Answers:




1. To locate a data item for storage is
d. Fetch

2. programs designed to perform specific tasks is known as
b. application software

3. perforated paper used as input of output media is known as
a. paper tapes

4. Time during which a job is processed by the computer is
c. Execution time

5. a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as
a. Super computer

6. An approach that permits the computer to work on several programs instead of one is
c. Over lapped processing

7. A directly accessible appointment calendar is feature of a … resident package
b. Memory

8. The term gigabyte refers to
c. 1024 megabytes

9. Which of the following processors use RISC technology?
b. Power PC

10. A/n …. Device is any device that provides information, which is sent to the CPU
a. Input

11. Current SIMMs have either … or … connectors (pins)
d. 30 or 72

12. The storage subsystem in a microcomputer consists mainly of … or … media with varying capacities
b. Magnetic or optical

13. Which of the following is not an input device?
d. COM (Computer Output to Microfilm)

14. The central processing unit (CPU) consists of
c. Control unit, arithmetic-logic unit and primary storage

15. EBCDIC can code up to how many different characters?
a. 256

16. Which is considered a direct entry input device?
d. All of the above

17. Which is used for manufacturing chips?
c. Semiconductors

18. The computer code for the interchange of information between terminals is
a. ASCII

19. A byte consists of
c. Eight bits

20. A hybrid computer
c. Resembles both a digital and analog computer

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