Question

why hard disks pendrive etc is called as secondary memory

Answer 1

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$\huge\underline{Answer:}$

It is also known as External memory/Storage memory/Auxiliary memory/Backup memory. ... Secondary memory is not directly accessible to CPU. It is usually slower for read/write, cheaper and used in larger storage capacity. Example: Hard disk, CD, DVD, Pen drive, etc.

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Answer 2

secondary memory is also called auxillary memory or device Instagram is not permanent a computer system required secondary memory to hold data and programs permanently most widely and secondary storage device are magnetic tapes