Question # 1

A device that inputs data by scanning letters and number is a

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keyboard

wand reader

mouse

diskette

CD-ROM has the same format as a(n).

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backup tape

DAT

diskette

audio compact disk

Computer output produced as small film images is called.

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OCR

COM

LCD

OMR

The equipment attached to CPU which computer can access are called

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Hardware

input output devices

peripherals

computer components

Data is transmitted character by character in

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Synchronous mode

Asynchronous mode

Remote communication

Satellite mode

CD-ROM has the same format as

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backup tape

DAT

diskette

audio compact disk

A device that inputs data by scanning letters and numbers is a.

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keyboard

wand reader

mouse

diskette

Following devices are used in simplex mode

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Radio

Television

a , b

Multiplexers

The transfer of data from one place to another is called

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Data processing

Data distribution

Data communication

Data encryption

The mechanism for reading or writing data in a disk is called a(n).

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track

rotational delay

seek time

access arm

The disk storage that use both magnet and laser beam

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hashing

magneto optical

CD-ROM

WORM

Soft copy refers to.

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OCR-A

screen output

microfiche

digitizing

Shift of a register by one bit to left in binary code is equivalent to.

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addition of 2

subtraction of 2

division by 2

multiplication by 2

Which is not beneficial of secondary storage

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convenience

DAT

economy

space

A one-color screen on a black background is called.

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monochrome

addressable

blank

liquid crystal display

DASD refers to.

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disk storage

track

tape storage

sorting

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ECAT Computer Science Chapter 3 The Peripheral Devices Online Test MCQs With Answers

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