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Computer Science 8th Class Online Test MCQs With Answers

Question # 1

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 # 2

WiFi stand for

Choose an answer

Wired Fidelity

Wireless Fidelity

Wired Function

None of these

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Question # 3

It refers to the spoolingof bulk mail by an unidentified source.

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Spamming

Phishing

Hacking

Cyber Troll

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Question # 4

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 # 5

They launched Google Sheets as a pack of G suite in.

Choose an answer

2000

2002

2004

2006

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Question # 6

------------- includes commands that help in switching between the view of work books, freezing, pans, etc.

Choose an answer

Reviw Tab

View Tab

Home Tab

Data Tab

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Question # 7

------------ is used to refer to the fifth Gererationof Cellular Technology.

Choose an answer

CAT

5 G

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Question # 8

Number of waves passing through an area per unit time is called.

Choose an answer

VPN

Router

Bridge

Frequency

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Question # 9

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

Choose an answer

LAN

WAN

VPN

None of these

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Question # 10

-------- are electromagnicte waves that have frequencies between \1 and 300 GHz.

Choose an answer

Radio waves

Micro waves

Infrared waves

All of these

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Question # 11

---------- is used for the representation or comparsion of Data.

Choose an answer

Cell address

Chart

Formula Bar

Status Bar

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