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Computer Science 7th Class Chapter 4 Online Test MCQs With Answers
Question # 1
Whats is another name for electronic switches is computers.
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Bytes
Declmals
Termaries
Bits
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Question # 2
The decimal numebr system is a numebr system that represents a number with a base of.....
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2
3
5
10
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Question # 3
What is the abbreviated form of a binary digit.
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A bit
A byte
A nibble
A word
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Question # 4
The best way to remember a value when designing the program is to use a.
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Variable
Value
Number
Sound
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Question # 5
What is Scratch.
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A programmming software
A video game
A mobile app
A social media platform
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Question # 6
Who reflned the binary number system in the 17th cenury.
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Isaac Newton
Albert Einstein
Galleo Calilei
Gottfried Leibniz
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Question # 7
-------------- are made up of pixels.
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Binary numbers
Decimals
Programs
Digital images
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Question # 8
--------------- bits together make, what we call a "byte" of the data.
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6
7
8
9
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Question # 9
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
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Question # 10
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
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Question # 11
How many Brosto bytes make up a geop Byte.
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1024
1048576
1099511627776
1073741824
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