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Computer Science 9th Class English Medium Online Test MCQs With Answers

Question # 1

A ___________ is a digital telecommunication network which allows nodes to share resources:

Choose an answer

Protocol

Rules

Computer networks

Computers

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Question # 2

When a key has less number of character than the text to the encrypt, then repeating letters of the key is called:

Choose an answer

Interim ciphertext

Cyber

Client server oversue

Online piracy

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Question # 3

1 GB = (1,024) MB or ______ bytes:

Choose an answer

(1,024)⁵bytes

(1,024) KB or (1,024)²

(1,024)³

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Question # 4

Which is the illegal copying, distribution, or usage of software ?

Choose an answer

Service

Online banking

Client

Software piracy

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Question # 5

Using computer for the purpose of some unauthorized activities is called:

Choose an answer

Fraud or misuse

Selling and printing

Denial of service

Piracy

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Question # 6

Each layer adds some control information called:

Choose an answer

Header

Source

Destination

Sink

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Question # 7

Which is a device that intitiates the communication process ?

Choose an answer

Sender

Center

Networks

Message

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Question # 8

Receiver is a device that receives a message also called:

Choose an answer

Message

Main

Center

Sink

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Question # 9

A __________ is a sentence that can either be true or false:

Choose an answer

Algebra

Variable

Proposition

Constant

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Question # 10

How many layers in TCP/IP model ?

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Question # 11

Rules are defined for the communication between sender and receiver called:

Choose an answer

Protocols

Rules

Computer networks

Computers

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Question # 12

In a computer network, devices are connected through communication :

Choose an answer

Channels

Source

Logo

Target

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Question # 13

Which are the properties associated with tags:

Choose an answer

Link

Attributes

Linkage

Body

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