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WorksheetsCPU
Total questions: 13
Worksheet time: 11mins
Name
Class
Date
1.
What is the purpose of the CPU?
a)
To process all the data and instructions.
b)
To turn the computer on.
c)
To create PowerPoint presentations.
d)
To provide power to the computer.
2.
What is the main function of the CPU?
a)
To carry out processing of the data.
b)
To help with playing games.
c)
To fetch instructions from memory, decode them and execute the instructions.
d)
To heat up the computer.
3.
What is the job of the control unit?
a)
It carries out calculations
b)
It stores information.
c)
It does nothing.
d)
It controls the input and output of data to make sure that it gets to the right place.
4.
What happens at the Decode step of the fetch-decode-execute cycle?
a)
The CPU makes sense of the instructions.
b)
The CPU fetches the information from RAM.
c)
The instructions are executed.
5.
What does CPU stand for?
a)
Control Processing Unit
b)
Central Processing Unit
c)
Central Power Unit
d)
Center Power Unit
6.
Which of the following CPU's will have a better better performance:
A: 3 GHz Quad Core CPU
B: 3 GHz Duel Core CPU
A: 3 GHz Quad Core CPU
B: 3 GHz Duel Core CPU
a)
A
b)
B
7.
How does clock speed affect computer performance?
a)
The higher the clock speed the slower the computer will run.
b)
It improves the amount you can store on the computer.
c)
The higher the clock speed the better the performance.
d)
It will make loading program slower
8.
What is cache memory?
a)
A very large, temporary memory
b)
A very small but expensive memory
c)
It is used to store data and programs permanently
d)
It is a type of payment
9.
How can a bigger cache improve CPU performance?
a)
By being able to carry out more calculations
b)
By being able to store more recently used instruction inside the CPU for quicker access times
c)
By being able to
10.
Which of the following is an example of 'main memory'.
a)
Hard Drive
b)
USB Drive
c)
RAM
d)
ROM
11.
Without a CPU the computer would not work.
a)
true
b)
FALSE
12.
The CPU processes data
a)
true
b)
FALSE
13.
As soon as the computer is switches on the CPU begins processing data
a)
true
b)
FALSE
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