Question # 1

The voice channel has a bandwidth of

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0 - 2 KHz

0 - 4 KHz

5 - 10 KHz

10 - 20 KHz

The mechanism for reading or writing data in a disk is called

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track

rorational delay

access arm

seek time

To most commonly used output device today is a.

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CRT monitor

keyboard

mouse

card punch

Word is 16 bits is

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65536

64526

32526

34526

A pictorial screen symbol that represent a computer activity is called

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pointer

touch screen

icon

miicr

Following devices are used in simplex mode

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Radio

Television

a , b

Multiplexers

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

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processing device

storage device

Input device

output device

The mechanism for reading or writing data in a disk is called

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track

rorational delay

access arm

seek time

A device used for optical character recognition is

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wand reader

light pen

mouse

micr reader

A disk pack withing a sealed data module is a.

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Backup unit

Winchester

diskette

CD-ROM

Computer output produced as small film images is called

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OCR

COM

LCD

OMR

Data transmission speed of wire pair is

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9600 bps

9500 bps

3600 bps

3500 bps

The time require for the access arm to get into position over a particular track is.

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rotational delay

data transfer

seek time

head switching

The most commonly used output devices in a computer system are

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printers and monitors

disk drives and printers

disk drive and tape drives

tape drive and keyboards

Which is not beneficial of secondary storage

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convenience

DAT

economy

space

The encoding scheme of data represent as

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EBCDIC code

ASCII code

Unicode

All of the above

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

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