Main memory or Primary memory
Ø Read only Memory
Ø Random Access Memory
Ø Cache Memory
Read only Memory (ROM)
- Read Only Memory.
- Used for storing programs & data permanently.
- User may read data from ROM but may not write on
- Permanent or Nonvolatile memory
Random Access Memory (RAM)
Ø Temporary storage that can be read from or written into by the user.
Ø Used primarily to store user programs and data.
Ø Temporary or Volatile memory.
Ø Determines a computer’s speed and power
Ø 2 types of RAM:
Static RAM
Dynamic RAM
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