Top 150+ Solved Computer Awareness MCQ Questions Answer

From 46 to 60 of 172

Q. The microcomputers which have the same operating characteristics as the IBM microcomputers are called

a. IBM desk top

b. IBM PC

c. IBM advanced computers

d. None of theses

  • b. IBM PC

Q. The personal computers are also referred as

a. desk top micros

b. advanced computers

c. palmtop computers

d. all the above

  • a. desk top micros

Q. POS data-entry system is used extensively by

a. banking industry

b. grocery industry

c. railroad industry

d. word-processing industry

  • b. grocery industry

Q. Primary advantage of key-to-tape data-entry systems

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

  • c. The tape is reusable

Q. Maximum character EBCDIC can code

a. 8

b. 16

c. 64

d. 256

  • d. 256

Q. The hexadecimal number system has a base of

a. 2

b. 4

c. 8

d. 16

  • d. 16

Q. The use of parity bit is for

a. coding

b. indexing

c. error-detection

d. none of these

  • c. error-detection

Q. The following are basic types of record- access methods

a. sequential and random

b. direct and immediate

c. sequential and indexed

d. on-line and real-time

  • a. sequential and random

Q. Which of the following is input/output device?

a. monitors

b. punched cards

c. optical scanners

d. all the above

  • d. all the above

Q. The following magazine covers only the IBMPC and its compatibles

a. Byte

b. PC Magazine

c. Personal Computing

d. Interface Age

  • b. PC Magazine

Q. The word size of a microprocessor refers to:

a. the number of machine operations performed/ second

b. the amount of information that can be stored / cycle

c. the amount of information that can be stored in bytes

d. none of these

  • b. the amount of information that can be stored / cycle

Q. The primary memory of a personal computer consists

a. ROM only

b. RAM only

c. Both ROM and RAM

d. Memory module

  • c. Both ROM and RAM

Q. Microsoft Excel is

a. financial planning package

b. electronic spreadsheet

c. graphics package

d. data-base management package

  • b. electronic spreadsheet

Q. All the keys on the IBM PC keyboard repeat as long as one holds them down. These keys are known as

a. typematic key

b. functional keys

c. automatic keys

d. alphabetic keys

  • a. typematic key

Q. Distributed data processing configuration where all activities passes through a centrally located computer is

a. ring network

b. spider network

c. hierarchical network

d. data control network

  • b. spider network
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