Question # 1

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

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Numbers

Letters

Images

Colors

How many symbols are used in the decimal number system.

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8

10

12

16

Which block specifices different directions for a sprite to move in Scratch.

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Move ten steps

Point -in- direction

Forever loop

Repeat loop

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

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10

2

16

20

Which block is used to work with loops in scratch.

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Repeat loop

Point -in-direction

Forever loop

Move ten steps

What is the least 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 on the number

How are numbers represnted in computers.

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Using electronic switches

Using analog singals

Using mechanical switches

Using hydrulic signals

How many cardinal directions can a sprite move in Scratch.

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2

3

4

5

What is the first step in making a sprite move.

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Select a sprite

Create a new project

Add a background image

Write the script

How many bytes are threre in a kilobyte.

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1000

1024

2048

512

What is the full form of ASCII.

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American Standard Code for International Interchange.

Americna Standard Code for Information Interchange

American Standard Code for Information Technology

Americna Standard Code for Internet Interchange.

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

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