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8th Computer Science Chapter 2 Test MCQs With Answers

Question # 1

The best known examples of .......... include TV cable netweork, cable internet, etc.

Choose an answer

LAN

WAN

MAN

All of these

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Question # 2

The electromagnetic ways that travel through open space in all direction is called.

Choose an answer

Micro waves

Radio waves

Infrared waves

All of these

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Question # 3

------------- is a secured connection over the internet.

Choose an answer

LAN

WAN

VPN

None of these

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Question # 4

The word.................... in computng means geographic distribution.

Choose an answer

Wi-Fi

Embedded

Edge

None of these

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Question # 5

It is also known as wirless transmission.

Choose an answer

Guided media

Unguided media

Both of above

None of these

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Question # 6

It is the path on which a message travels.

Choose an answer

Sender

Receiver

Decoder

Transmission media

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Question # 7

------------ consists of a signle copper wire surrounded by at least three layers.

Choose an answer

Fiber optic cable

Coaxial cable

Twisted pair cable

None of these

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Question # 8

A computer or device that sends a message is called.

Choose an answer

Receiver

Sender

Encoders

Transmission media

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Question # 9

Bluetooth is anothe rimportant...... range wireless communication system.

Choose an answer

Low

Mid

High

Side

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Question # 10

The-------------- spectrum has frquencies between 300 GHz and 400 THz.

Choose an answer

Infrared

Radio waves

Micro waves

None of these

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Question # 11

A type of physicla media that is commonly used.

Choose an answer

Coaxial cable

Fiber optic cable

All of these

Twisted pair cable

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