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WorksheetsCPU and Memory
Total questions: 12
Worksheet time: 9mins
Name
Class
Date
1.
CPU stands for...
a)
Central Programming Unit
b)
Centrally Processing Universally
c)
Core Processing Unit
d)
Central Processing Unit
2.
CPU carries out a cycle called___.
a)
Execute-decote-fetch
b)
Fetch-decode-execute
c)
Fetch-execute-decode
d)
Decode-execute-fetch
3.
What is processor speed measured in?
a)
Hertz
b)
Watts
c)
Amps
d)
Volts
4.
The CPU fetches instructions from.... and executes those instructions.
a)
Memory
b)
ALU
c)
ROM
d)
Input Device
5.
What are these?
a)
Tower
b)
Motherboard
c)
Harddrive
d)
RAM memory
6.
Identify this computer part.
a)
CPU
b)
hard disk drive
c)
RAM module
d)
motherboard
7.
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.
8.
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.
9.
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.
10.
Which of the following is an example of 'main memory'.
a)
Hard Drive
b)
USB Drive
c)
RAM
d)
ROM
11.
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
12.
Clock speed is:
a)
Number of times the computer is used
b)
Number of instructions a computer can handle per second
c)
Time on a computer
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