Computer Knowledge Quiz – set 75

1) Select the odd one:

a) Hard disk drives

b) Printers

c) Floppy disk drives

d) CD drives

e) None of these

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b) Printers

2) Which of the following is directly involved in executing the instructions of the computer program?

a) The scanner

b) The main storage

c) The secondary storage

d) The processor

e) None of these

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d) The processor

3) A single bus structure can communicate how many units at a time?

a) 1

b) 2

c) 3

d) 14

e) None of these

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b) 2

4) A source program is the program written in which of the following language?

a) English

b) Symbolic

c) High level

d) Object

e) None of these

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c) High level

5) Storage capacity of magnetic disk depends on ________.

a) Tracks per inch of surface

b) Bits per inch of tracks

c) Disk pack in disk surface

d) All of above

e) None of these

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d) All of above

6) _________ transmits data in both directions but not at the same time in operation system.

a) Simplex mode

b) Half-duplex mode

c) Full-duplex mode

d) Asynchronous mode

e) None of these

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b) Half-duplex mode

7) _____ is a collection of wires that connects several devices.

a) Link

b) Bus

c) Cable

d) Port

e) None of these

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b) Bus

8) _______ is a register in a computer processor that contains the address (location) of the instruction being executed at the current time.

a) Index register

b) Program counter

c) Memory address

d) Accumulator

e) None of these

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b) Program counter

9) VLSIs are used in which generation of the computers?

a) First generation

b) Second generation

c) Third generation

d) Fourth generation

e) Fifth generation

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d) Fourth generation

10) What is track ball?

a) Input device

b) Output device

c) Programming language

d) Software

e) None of these

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a) Input device