Question # 1

What is the purpose of the timer in Scractch.

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To creae a variable

To chagne the background color

To display the program as it runs

To measure time

-------------- are made up of pixels.

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Binary numbers

Decimals

Programs

Digital images

What is the decimal equivalent of the binary number 1011

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6

8

9

11

The term ........... also refers to any digital encoding system in which there are exactly two possible states.

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Digital

Binary

Python

Programming

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.

Who reflned the binary number system in the 17th cenury.

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Isaac Newton

Albert Einstein

Galleo Calilei

Gottfried Leibniz

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 are numbers represnted in computers.

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Using electronic switches

Using analog singals

Using mechanical switches

Using hydrulic signals

What is the most commonly known numbere system.

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Binary numebr system

Decimal numebr system

Octal numebr system

Hexadecimal numebr system

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 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

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

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