Multiple choice

Which of the following holds data and processing instructions temporarily until the CPU needs it?

  1. ROM

  2. Control unit

  3. Main memory

  4. None of these

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

Main memory (RAM) is volatile storage that temporarily holds both data and program instructions that the CPU needs for immediate processing. ROM is permanent, control unit directs operations, and main memory is the workspace.