Which of the following is NOT a primary storage device?

مندرجہ ذیل میں سے کونسا بنیادی اسٹوریج ڈیوائس نہیں ہے؟

Magnetic Tape

Hard Disk

Optical Disk

All of these

None of these

The hard disk is a secondary storage device, which is designed to store data permanently.

Note: ROM and RAM are two main types of Primary Storage Device