Random Access Memory (RAM)

It is computer memory which temporarily stores information. It resides on the system motherboard and is implemented as circuit cards contain a number of semiconductor chips.

These conductor chips are:

Single-in-line memory module (SIMM)
Dual in-line memory module (DIMM).

Types of RAM are:

Dynamic RAM (DRAM)
Synchronous Dynamic RAM (SDRAM)

Memory Cache:

It speeds up computer performance storing data which the computer has recently used.

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