What is a secondary memory? Explain capacity, density and speed of har

Question

What is a secondary memory? Explain capacity, density and speed of hard disk driv

21 Jan 2021

Answer :

Word Count : 431

Secondary memory is external and permanent memory that is useful to store the external storage media such as floppy disk, magnetic disks, magnetic tapes and etc cache devices. Secondary memory deals with following types of components.

Read Only Memory (ROM) :

ROM is permanent memory location that offer huge types of standards to save data. But it work with read only operation. No data lose happen whenever power failure occur during _______ _______ _______ ___ ___.
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