CPU Components

What is the main function of the CPU?

• To carry out processing of the data.
• To help with playing games.
• To fetch instructions from memory, decode them and execute the instructions.
• To heat up the computer.

What is the job of the control unit?

• It carries out calculations
• It stores information.
• It does nothing.
• It controls the input and output of data to make sure that it gets to the right place.

What happens at the Decode step of the fetch-decode-execute cycle?

• The CPU makes sense of the instructions.
• The CPU fetches the information from RAM.
• The instructions are executed.

What does CPU stand for?

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

What is the program counters job?

• To count the programs
• It contains the memory address of the next instruction to be loaded
• It stores instructions
• It carries out the calculations

Which of the following is a job of the control unit?

• To start up the computer
• To manage the fetch decode execute cycle
• To create presentations
• To carry out calcul

Which of the following is an example of 'main memory'.

• Hard Drive
• USB Drive
• RAM
• ROM

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

What is a bus?

• A circuit that connect one part of CPU to other components.
• A type of long term memory
• A type of permanent memory
• A method of transport

What is cache memory?

• A very large, temporary memory
• A very small but expensive memory
• It is used to store data and programs permanently
• It is a type of payment