Question # 1

In the computer world, the word digital means information that is in.

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discrete units

units that can be counted

continuous , smooth form

a and b

A computer can not do anything without

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programme

input device

output device

VDU

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

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hashing

magneto-optical

CD-ROM

WORM

The central processing Unit (CPU) comprises of.

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memory, VDU , and printer

input device , output device and memory

store , arithmetic and logic unit and control unit

software, hardware and power supply unit

The ability of an object to interpret a message using its own methods is called

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Polymorphism

encapsulation

inheritance

messaging

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

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mouse

wand reader

trackball

interactive tablet

First-generation computers were characterized by the use of the.

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microprocessor

vacuum tube

transistor

integrated circuit

The information that is to be transferred from one location to another is called:

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Signals

Data

Sender

Message

The entire new system is used by a portion of the users.

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direct conversion

pilot conversion

file conversion

parallel conversion

The voice channel has a bandwidth of

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0 - 2 KHz

0 - 4 KHz

5 - 10 KHz

10 - 20 KHz

The instruction that tell the computer what to do are called.

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software

output

hardware

telecommunication

The hexadecimal number system is widely used in analyzing and programming in.

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analog computers

binary computers

decimal computers

micro computers

OSI model has

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11 layers

7 layers

3 layers

10 layers

The basic operation performed by a computer is.

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arithmetic operations

logic operations

storage and retrieval operations

all of the above

The central processing unit comprises of

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memory ,VDU and printers

input devices output devices and memory

software arithmetic and logic unit,and control unit

software,hardware,and power supply unit

The arrangement in which most of the processing is done by the server.

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simplex transmission

electronic data interchange

file server

client/server

__________is an example of packaged software

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MS word

Front page

MS-Access

All

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