Multiple choice

The __________ register of the CPU contains a word of data to be written to memory or the word most recently used.

  1. MAR

  2. PC

  3. IR

  4. MBR

  5. I/O AR

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

This register of the CPU contains a word of data to be written to memory or the word most recently used.