Common CPU Components Quiz

What is the main function of the CPU?

• To store data permanently

• To connect to the internet

• To process program instructions

• To display graphics

Which component of the CPU manages instructions?

• Arithmetic logic unit (ALU)

• Control unit (CU)

• Registers

• Cache

What does the arithmetic logic unit (ALU) do?

• Performs arithmetic and logic calculations

• Manages instructions

• Stores data temporarily

• Sends out regular pulses

What is the purpose of registers in the CPU?

• To store small amounts of data needed during processing

• To manage instructions

• To perform arithmetic calculations

• To send control signals

What is cache memory used for?

• To perform arithmetic calculations

• To manage instructions

• To temporarily hold data and instructions for faster processing

• To store data permanently

What does the clock in the CPU do?

• Stores data temporarily

• Manages instructions

• Sends out regular pulses to synchronize components

• Performs arithmetic calculations

What is the function of the address bus?

• Carries memory addresses from the processor to other components

• Carries data between the processor and other components

• Carries control signals from the processor to other components

• Stores data temporarily

What is the function of the data bus?

• Carries memory addresses from the processor to other components

• Carries data between the processor and other components

• Carries control signals from the processor to other components

• Stores data temporarily

What is the function of the control bus?

• Carries data between the processor and other components

• Stores data temporarily

• Carries control signals from the processor to other components

• Carries memory addresses from the processor to other components

What is the unit of measurement for clock speed?

• Bytes

• Hertz (Hz)

• Meters

• Seconds