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10
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What are the main parts of the CPU?
The control unit, the arithmetic logic unit, the registers
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10
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A long key at the bottom of the keyboard. Each time it is pressed, it produces a blank space. What key is it?
space bar
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10
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What type of memory is volatile?
RAM (random access memory)
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10
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It removes the character to the left of the cursor or any selected text. What key is it?
backspace
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10
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What is a bit and a byte?
Each 1 or is called a binary digit, or bit. Eight bits together are called a byte.
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What is a bus and bus width?
Electrical channel that allows devices inside the computer to communicate with each other. The size of a bus, called bus width.
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monster
Reset all scores!
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fairy
Take points!
5
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25
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fairy
Take points!
5
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25
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thief
Give points!
5
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25
10
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What is the function of the system clock?
It sends out signals at fixed intervals to measure and synchronize the flow of data.
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eraser
Reset score!
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star
Double points!
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gift
Win 15 points!
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banana
Go to last place!
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lifesaver
Give 15 points!
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rocket
Go to first place!
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rocket
Go to first place!
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baam
Lose 5 points!
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10
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What unit of frequency is used to measure processor speed?
gigahertz (GHz)
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10
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It moves the cursor to the beginning of a new line. It is also used to confirm commands. What key is it?
return/enter
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10
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What does the CPU stand for?
the central processing unit
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10
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It produces UPPER CASE letters, but it does not affect numbers and symbols. What key is it?
Caps Lock
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What are alphanumeric keys
They represent letters and numbers.
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10
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What are the main functions of the CPU?
to execute program instructions and coordinate the activities of all the other units
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