Question # 1

What is the purpose of duplicating and editing code in Scratch.

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To creae a new sprite

To change the back ground color

To allow a sprite to move in different directions

To add sound effects

How many symbols are used in the decimal number system.

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8

10

12

16

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

What is Scratch.

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A programmming software

A video game

A mobile app

A social media platform

What is the X-Y method used fo in Scratch.

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To create a timer

To create a variable

To allow the user to move a sprite using arrow keys

To create a sound effect

How many characters can ASCII represent.

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128

256

512

1024

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

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10

2

16

20

----------- are represented in the computer using 8-bit numbers.

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Numbers

Letters

Images

Colors

What color are motion blocks in scratch.

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Blur

Red

Green

Yellow

What is the purpose of the step method is scratch.

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To turn the sprite around while it moves

To change the back ground color

To create a new sprite

To add sound effect

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

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

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