Multiple choice

Which part of the computer carries out instructions and performs calculations?

  1. hard disk

  2. monitor

  3. processor

  4. RAM

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The processor, or Central Processing Unit (CPU), is responsible for executing program instructions and performing arithmetic and logical calculations. The hard disk and RAM are used for long-term and short-term data storage, respectively, while the monitor is an output device.