WorksheetsCental Processing Unit
Total questions: 17
Worksheet time: 9mins
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 are the two other parts of the CPU that you learned?
a)
RAM & ROM
b)
Hard Drive & Motherboard
c)
The ALU and Cache
3.
Which level of cache is the fastest but has the smallest capacity?
a)
Level 1
b)
Level 2
c)
Level 3
d)
Level 4
4.
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
5.
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
6.
What is a bus?
a)
A circuit that connect one part of CPU to other components.
b)
A type of long term memory
c)
A type of permanent memory
d)
A method of transport
7.
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
8.
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
9.
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
10.
Which component would calculate the result of 6 * 4?
a)
Accumulator
b)
ALU
c)
Control Unit
d)
MAR
11.
The acronym CPU stands for
a)
Common processing unit
b)
Central procedures unit
c)
Central processing unit
d)
Common procedures unit
12.
ALU stands for
a)
Arithmetic Logic unit
b)
Arithmetic Legal unit
c)
Anti Logic unit
d)
Arithmetic Logic undo
13.
RAM is within the CPU
a)
true
b)
FALSE
14.
What is the purpose of the CPU's registers?
a)
These are used to permanently store data and instructions
b)
These are used to temporarily store data and instructions.
c)
They are used to keep track of the CPU speed.
d)
They are used to check the CPU's processing power
15.
CPU carries out a cycle called___.
a)
Execute-decote-fetch
b)
Fetch-decode-execute
c)
Fetch-execute-decode
d)
Decode-execute-fetch
16.
Clock speed is measures in
a)
bytes
b)
bits
c)
time
d)
hertz
17.
A computer measured in 1 hertz can do how many things a second
a)
100
b)
1
c)
2
d)
1000
100 %
