Question # 1

How many symbols are used in the decimal number system.

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8

10

12

16

What is the purpose of the stage in Scratch.

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To display the program as it runs

To add new sprites to the project

To modify the program code

To change the background color

What are digital images made up of.

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Pixels

Vectors

Lines

Points

How many numbes can be represnted wih just two digits.?

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10

2

16

20

What is the purpose of the delay block in scratch.

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To add a sound effect

To change the back ground colour

To create a timer

To slow down the program execution

Where do you add script blocks in Scratch.

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Stage area

Block categories

Script area

Sprite list

How many characters can ASCII represent.

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128

256

512

1024

What is the most significant bit in a binary number.

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The bit to the extreme left

The bit to the extreme right

The middle bit

It depends onthe number

What makes it possible ot develop applications that enable users to do every task.

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Binary number system

Decimal number system

Octal number system

Hexadecimal number system

Whats is another name for electronic switches is computers.

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Bytes

Declmals

Termaries

Bits

--------------- bits together make, what we call a "byte" of the data.

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6

7

8

9

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Computer Science 7th Class Chapter 4 Online Test MCQs With Answers

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