Computer memory

It holds instructions and data essential to process raw data and produce output. Cells are small parts among which the computer memory is divided. A unique address is assigned to each cell which can be 0 or even -1.

There are two types of computer memory:

Volatile (RAM)

Non-Volatile (ROM)

Hard disk, which is a secondary memory, is not called memory but storage.

Memory, when categorized on the basis of location or space, can be of four types:

  • Register memory
  • Cache memory
  • Primary memory
  • Secondary memory


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