CPU KS3

What does CPU stand for?

• Control Processing Unit
• Central Processing Unit
• Central Power Unit
• Center Power Unit

What is the purpose of the CPU

• To hold open files and programs
• To fetch, decode and execute instructions
• To send data to the monitor
• It stands for computer and does all the important jobs

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
• B

How does clock speed affect computer performance?

• The higher the clock speed the slower the computer will run.
• It improves the amount you can store on the computer.
• The higher the clock speed the better the performance.
• It will make loading program slower

Without a CPU the computer would not work.

• true
• FALSE

The CPU processes data

• true
• FALSE

Which of these is an example of an input device?

• USB stick
• CD
• Microphone
• Speaker

Projector 

• Input 
• Output

Headphones

• Input 
• Output

Microphone

• Input 
• Output