Objective Questions on Computer Fundamentals set-7

1) Central Processing Unit is combination of .....

A. Control and Storage Unit

B. Control and Output Unit

C. Arithmetic Logic and Input Unit

D. Arithmetic Logic and Control Unit

2) The octal equivalent of 111010 is ......

A. 81

B. 72

C. 71

D. None of the above

3) Programs designed to perform specific tasks is known as ....

A. System Software

B. Application Software

C. Utility Software

D. Operating Software

4) Analog Computer works on the supply of

A. Continuous electrical pulses

B. Electrical pulses but not continuous

C. Magnetic strength

D. None of the above

5) Time during which a job is processed by a the computer is ....

A. Delay times

B. Real time

C. Execution time

D. Down time

6) Which of the following chips can be reprogrammed with special electric pulses?

A. EPROM

B. PROM

C. ROM

D. EEPROM

7) Hexadecimal number system have ...

A. One stable stage

B. Two stable state

C. Eight Stable state

D. Sixteen Stable state

8) The mostly commonly used standard data code to represent alphabetical, numerical and punctuation character used in electronic data processing system is called ...

A. ASCII

B. EDCDII

C. BCD

D. All of the above

9) The term gigabyte refers to ...

A. 1024 bytes

B. 1024 kilobytes

C. 1024 megabytes

D. 1024 terabytes

10) Seek time is .....

A. Time to position the head over proper track

B. Time to position the head over proper sector

C. Time to position the head over proper cylinder

D. None of the above

11) Which is considered a direct entry input device?

A. Optical scanner

B. Mouse and digitizer

C. Light pen

D. All of the above

12) Group of instructions that directs a computer is called ...

A. Storage

B. Logic

C. Memory

D. Program

13) A type of memory chip whose contents can not be saved when a computer is turned off ....

A. ROM

B. PROM

C. RAM

D. EPROM

14) In latest generation computers, the instructions are executed .....

A. Parallel only

B. Sequentially only

C. Both sequentially and parallel

D. All of the above

15) Which of the following terms is the most closely related to main memory?

A. None volatile

B. Permanent

C. Control unit

D. Temporary

16) Which language is directly understood by the computer without translation program ...

A. Machine language

B. Assembly language

C. High level language

D. None of the above

17) Which of the following is used only for data entry and storage, and never of processing?

A. Mouse

B. Dumb terminal

C. Micro computer

D. Dedicated data entry system

18) Who is called called the "GrandFather" of the computer?

A. Blaise Pascal

B. Charles Babbage

C. Joseph Jacquard

D. Dr. Herman Hollerith

19) The translator program used in assembly language is called ...

A. Computer

B. Interpreter

C. Assembler

D. Translator

20) A modern electronic computer is a machine that is meant for ....

A. Doing quick mathematical calculation

B. Input, storage, manipulation and outputting of data

C. Electronic Data processing

D. Performing repetitive task accurately

Answers:

1) D. Arithmetic Logic and Control Unit

2) B. 72

3) B. Application Software

4) A. Continuous electrical pulses

5) C. Execution time

6) D. EEPROM

7) D. Sixteen Stable state

8) A. ASCII

9) C. 1024 megabytes

10) A. Time to position the head over proper track

11) D. All of the above

12) D. Program

13) C. RAM

14) C. Both sequentially and parallel

15) D. Temporary

16) A. Machine language

17) B. Dumb terminal

18) B. Charles Babbage

19) C. Assembler

20) B. Input, storage, manipulation and outputting of data

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