Computer Basis MCQ Questions and Answers set-9

1) In the third generation of computer ..

A. Distributed data processing first became popular

B. On operating system was first developed

C. High level procedural language were first used

D. On-line, real time system first became popular

2) A communication protocol that converts noisy data links into communication channels free of transmission errors is known as ...

A. Data link protocol

B. Data link

C. Data medium

D. Data model

3) 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

4) A digital computer did not score over an analog computer in terms of ....

A. Speed

B. Accuracy

C. Cost

D. Memory

5) The storage capacity of a disk system depends on the bits per inch of track and the tracks per inch of ......

A. Cylinder

B. Hub

C. Cluster

D. Surface

6) Which type of computers uses the 8-bit code called EBCDIC?

A. Minicomputer

B. Microcomputer

C. Mainframe computers

D. Super computer

7) The two basic types of record access method are ...

A. Sequential and random

B. Sequential and indexed

C. Direct and immediate

D. On-line and real time

8) The disk drive component used to position read/write heads over a specific track is known as ...

A. Acoustic couples

B. Access arm

C. Cluster

D. All of the above

9) Computer instructions written with the use of English words instead of binary machine code is called ..

A. Mnemonics

B. Symbolic code

C. Gray codes

D. Opcode

10) Which American computer company is called big blue?

A. Microsoft

B. Compaq Corporation

C. IBM

D. Apple

11) Which number system is commonly used as a shortcut notation for groups of four binary digits.

A. Binary

B. Decimal

C. Octal

D. Hexadecimal

12) Before a disk can be used to store data it must be ...

A. Formatted

B. Reformatted

C. Addressed

D. None of the above

13) Who invented the Microprocessor?

A. Marican E. Huff

B. Herman H Goldstein

C. Joseph Jacquard

D. All of the above

14) Sending data from one place to another. By physical or electronic means is ....

A. E-mail

B. Internet

C. Data transmission

D. Distributed processing

15) Multi user systems provided cost saving for small business because they use a single processing unit to link several ...

A. Personal computers

B. Workstations

C. Dumb terminals

D. Mainframes

16) Which is the part that transmits data from one part of the computer to another?

A. Bus

B. CPU

C. Hard Disk

D. None of the above

17) A software package to perform calculations on data arranged in an array is ....

A. System Software

B. Utility programs

C. Electronic spreadsheet

D. Application programs

18) Which part of the computer is used for calculating and comparing?

A. Disk unit

B. Control unit

C. ALU

D. Modem

19) Plotter accuracy is measured in terms of repeatability and ..

A. Buffer size

B. Resolution

C. Vertical dimension

D. Intelligence

20) Which computer memory is used for storing program and data currently being processed by the CPU?

A. Mass memory

B. Internal memory

C. Non-volatile memory

D. PROM

Answers:

1) D. On-line, real time system first became popular

2) A. Data link protocol

3) D. Terminal

4) C. Cost

5) D. Surface

6) C. Mainframe computers

7) A. Sequential and random

8) B. Access arm

9) B. Symbolic code

10) B. Compaq Corporation

11) D. Hexadecimal

12) A. Formatted 

13) A. Marican E. Huff

14) C. Data transmission

15) C. Dumb terminals

16) A. Bus

17) C. Electronic spreadsheet

18) B. Control unit

19) B. Resolution

20) B. Internal memory

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