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:
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