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

Question # 1

1 MB = ____ bytes:

Choose an answer

(1,024)⁵ bytes

(1,024) KB or (1,024)²

3000

400

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Question # 2

A number system is the system for representation of ______ data:

Choose an answer

Value

Boolean

Truth

Numeric

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Question # 3

In IPv4 each group can contain a decimal value from:

Choose an answer

1 to 255

0 to 255

2 to 255

3 to 255

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Question # 4

A crime in which computer network or devices are used is called a:

Choose an answer

Lefting

Phishing crime

Identity Theft

Cybercrime

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Question # 5

Communication protocols cover__________:

Choose an answer

Authentication

Error detection

Correction

All of these

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Question # 6

Which of the following is not the characteristics of phishing emails ?

Choose an answer

Official data breach notification

Email account update

IT remainder

Similar domain of actual website

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Question # 7

Which refers to exchange of messages between sending and receiving devices through some communication medium ?

Choose an answer

Computer

Data communication

System

Devices

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Question # 8

NADRA stands for:

Choose an answer

National Database and Registration Authority

National Database Resolution

Registration Authority

National Drugs Registration

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Question # 9

1 KB = _________ bytes:

Choose an answer

1,024

200

300

400

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Question # 10

Which tags are used for define row ?

Choose an answer

<o></o>

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Question # 11

Some malicious user disguises himself as our friend and tries to get some confidential information:

Choose an answer

Lefting

Phishing

Identity Theft

Online piracy

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Question # 12

A solution is tested on extreme values:

Choose an answer

Bounded

Bounded test data values

Test data

Boundary value

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Question # 13

In a data communication system, a message is sent in the form of:

Choose an answer

Fragment

Packets

Alien

Half mode

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