Question # 1

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

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processing device

storage device

Input device

output device

Assigning more sector to outer hard disk is called

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zone recording

randomizing

sectoring

data transfer

To send data, instruction and information you need a

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Sending device

Receiving device

Channel device

Communication signal

The disk storage that use both magnet and laser beam

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hashing

magneto optical

CD-ROM

WORM

Which is not beneficial of secondary storage

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convenience

DAT

economy

space

The voice channel has a bandwidth of

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0 - 2 KHz

0 - 4 KHz

5 - 10 KHz

10 - 20 KHz

Abother word for printer

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monochrome

microfiche `

pixel

cursos

Data transmission speed of wire pair is

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9600 bps

9500 bps

3600 bps

3500 bps

The major disadvantage of magnetic tapes is.

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cost

unreliability of store data

slow data recording

data is to be accessed sequentially

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

An example of peripheral equipment

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CPU

spreadsheet

printer

microcomputer

Data is transmitted character by character in

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Synchronous mode

Asynchronous mode

Remote communication

Satellite mode

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

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access time

data transfer rate

direct time

cylinder time

A disk pack withing a sealed data module is a.

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Backup unit

Winchester

diskette

CD-ROM

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 pictorial screen symbol that represent a computer activity is called

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pointer

touch screen

icon

miicr

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