Flash memory: Flash
memory is a non-volatile memory chip used for storage and for transferring data
between a personal computer (PC) and digital devices.
It has the ability to be electronically reprogrammed
and erased. It is often found in USB flash drives, MP3 players, digital cameras
and solid-state drives.
Cache memory: Cache
memory is a small sized type of volatile computer memory that provides high
speed data access to a processor and stores frequently used computer programs,
applications and data.
Virtual memory: Virtual
memory is a memory management capability of an OS that uses hardware and
software to allow a computer to compensate for physical memory shortages by
temporarily transferring data from random access memory (RAM) to disk storage.
OR
Virtual memory (VM) is a feature developed for the
kernel of an operating system (OS) that simulates additional main memory such
as RAM (Random Access Memory) or disk storage.
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