2017 · Q101
CD-ROM is a
Knowledge of Computer ApplicationsComputer fundamentals
- Asecondary memory
- Bmagnetic memory
- Cmemory register
- Dsemiconductor memory
Explanation
A CD-ROM is an optical disc used for permanent external storage, which classifies it as secondary memory. It is not magnetic memory, not a CPU register, and not semiconductor (primary) memory. Hence A.