Multiple choice

A storage device which is used to store data and information external to the main storage is known as

  1. Buffer

  2. Backing storage

  3. PROM

  4. Accumulator

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

Backing storage, also known as secondary storage, is used to store data and programs that are not currently being processed by the CPU. It is external to the main storage (RAM) and is non-volatile.