Question # 1

A hard disk can be backed up efficiently using.

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WORM

a transaction file

a tape backup system

zoning

The cursor can be moved rolling this device on a flat surface.

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mouse

wand reader

trackball

interactive tablet

A pictorial screen symbol that represent a computer activity is called

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pointer

touch screen

icon

miicr

The transfer of data from one place to another is called

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Data processing

Data distribution

Data communication

Data encryption

A digital computer system consists of a central processing unit interfaced with

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input devices

auxiliary storage

output devices

all of above

The CRT technology with the best resolution.

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MICR

VGA

SVGA

LCD

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

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

A magnetize spot represent

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CPI

MB

0 bit

1 bit

The cursor can be moved rolling this devices on a flat surface:

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mouse

trackball

want reader

interactive tablet

An example of peripheral devices

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CPU

Printer

Spreadsheet

microcomputer

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

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hashing

magneto-optical

CD-ROM

WORM

To send data, instruction and information you need a

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Sending device

Receiving device

Channel device

Communication signal

Personal computer users may wish to increase their hard disk storage capacity with.

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higher density

DAT

read only media

removable hard disk cartridge

A graph prepared by a computer.

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Is its output

Is the piece of information to user

Is a hard copy

All of the above

The speed with which a disk can find data being bought is called.

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access time

data transfer time

direct time

cylinder time

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

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