Question # 1

Internal modem is connected to

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DCE cable

RJ 45 cable

RS 232 serial port

DTE cable

The disk storage that use both magnet and laser beam

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hashing

magneto optical

CD-ROM

WORM

If electrical power supply to a computer system is inadvertently disrupted ,the serious damage would occur to

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CPU

disk

CRT

printer

A magnetize spot represent

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CPI

MB

0 bit

1 bit

The time required 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

Which of the following does not support I/O devices

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speaker

OCR

joystick

ALU

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

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track

rorational delay

access arm

seek time

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

A disk pack within a selected data module is a

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backup unit

Winchester

diskette

Cd-Rom

The disk storage that uses both a magnet and laser beam.

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hashing

magneto-optical

CD-ROM

WORM

Shift of 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

A disk pack withing a sealed data module is a.

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Backup unit

Winchester

diskette

CD-ROM

Word is 16 bits is

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65536

64526

32526

34526

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

A color screen with the best resolution

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MICR

VGA

SVGA

LCD

Following devices are used in simplex mode

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Radio

Television

a , b

Multiplexers

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

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