Types of Memory | E-Academy with Vishal Sir

What is Memory??

Memory is the process of taking in information from the world around us, processing it, storing it and later recalling that information, sometimes many years later. Human memory is often likened to that of a Computer Memory system or a filing cabinet.

"The Definition of memory is the power of the brain to recall past experiences or information. The mental faculty of retaining and recalling past experience."


Computer Memory

Internal Processor Memory:-

  • The Internal Processor memory is also known as processor memory which is direct connected to the processor.
  • This memory help for manage the processing in computer.

There are two types of Internal Processor memory such as:

(a) Cache Memory 
(b) CPU Memory.

Cache Memory

  • Cache Memory is very fast and expensive memory.
  • Cache Memory work as bridge between Processor and RAM.
  • The Cache Memory is direct attach with micro - processor and RAM.
  • The Cache Memory used for increased the speed of data processing in computer.
  • The Cache Memory is also known as static memory where the data is forcefully deleted.
  • The Cache Memory store all the data instruction which is ready for process.
  • The speed of Cache Memory is measured in NANO SEC.

Cache Memory



There are two type of Cache Memory:

(a) L1 Cache
(b) L2 Cache.

  • In L1 Cache the small set of instructions are store and the size of L1 Cache is up to 256KB.
  • In L2 Cache memory is used for store the large data set instruction and the size of L2 Cache memory is up to 1024KB or 1MB.

CPU Memory

  • The CPU Register is direct connected to the processor.
  • This memory help for perform the execution on current data instruction.
  • The CPU register work on only one instruction at a time.

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