Overview of a Computer

Front

What is a computer?

Back

An electronic device that processes data to produce information.

Front

What are the physical parts of a computer called?

Back

Hardware.

Front

What does the CPU stand for?

Back

Central Processing Unit.

Front

What is the function of the ALU in a CPU?

Back

Handles all calculations and logic.

Front

What does the Control Unit (CU) do?

Back

Directs other parts of the computer on what to do.

Front

What are Registers in a CPU?

Back

Tiny, super-fast memory spaces for quick access to data.

Front

What is Primary Memory?

Back

Temporary storage for fast data access.

Front

What does BIOS stand for?

Back

Basic Input Output System.

Front

What is RAM?

Back

Random Access Memory, temporary storage that erases when powered off.

Front

What is ROM?

Back

Read-Only Memory, permanent memory that stores essential startup instructions.