lijit search

Computer memory

Saturday, August 21, 2010


Computer Memory
The Memory stores the data and instruction temporarily or permanently which is known as Computer Memory.
Types of Computer Memory

  • Primary Memory
It is also known as Main or Internal Memory. It is temporary or volatile memory as it loses its contents when computer is turned off. It stores small amount of data but faster in speed. It has two parts therefore RAM and ROM.
  • Secondary Memory
It is also known as auxiliary or external memory. It stores data permanently. It is also non-volatile memory because it does not lose its contents when Computer is turned off. It has large amount of data storage capacity but low in speed. It has two parts therefore Optical and Magnetic.

0 comments: