Question # 1

What is the octal equivalent of the binary system :10111101.?

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675₈

275₈

572₈

573₈

A device used for optical-character recognition is a.

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wand reader

light pen

mouse

MICR reader

The number A9D in Hexadecimal system is equivalent to which number in binary system.

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101010111101

101010011101

101110011101

101010011111

In a computer system,which of the following has largest number of mechanical components and thus most unreliable :

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magnetic disk

magnetic drum

floppy disk

printer

A computer has very high speed ,accuracy,and reliability ,Its intelligent quotient could be of the order of

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0

10

15

20

The general-purpose processor on a chip is otherwise known as the.

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ENIAC

minicomputer

pocket calculator

microprocessor

TIme-sharing of resources by users is usually.

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based on time slices

based on input

event-driven

operated by spooling

A bar code reader is an example of a(n).

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processing device

storage device

Input device

output device

Data us transmitted block by block in

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Asynchronous mode

Synchronous mode

Communication mode

Satellite mode

_________ is an autio input device:

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Digital camera

Microphone

Video camera

Speaker

Communication between a computer and keyboard involes __________ transmission.

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Half duplex

Full-duplex

Simplex

Automatic

Another name of main memory is :

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Secondary memory

Primary storage

Permanent Memory

None

ASCII 7 bit code can represent maximum

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265 character

128 character

64 character

65536 character

Transmit data in the form of light is called

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Fiber glass

UTP

Color glass

None

A collection of related fields in data organizing is called

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group

register

file

record

The lowest level of management is concerned with

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Operational information

Traditional information

Long Term planning

Strategic information

PDP-5,PDP-8,IBM-360 series and IBM-370 series belong to the.

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first generation computers

second generation computers

third generation computers

fourth generation computers

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