Friday, October 04, 2019

What is memory ? explain the classification of memory.


What is memory ? explain the classification of memory.


Memory- Memory is the area which stores data and programs is called memory.



There are two types of memory

  1. Primary memory
  2. Secondary memory


Primary memory- in primary memory current processing of the data directory need of the CPU of the primary memory.

There are two types of primary memory

  1. RAM
  2. ROM


RAM - ram stands for Random Access Memory is used to store working data and machine code temporary.

There are three types of RAM

  1. Static RAM
  2. Dynamic RAM


ROM- ROM stands for Read Only Memory is used to permanently stores data on computer and electronics devices.

There are four types of ROM

  1. Programmable ROM
  2. Electrically programmable ROM
  3. Electrically erasable PROM


Secondary memory- In secondary memory data stores for long time and data will be erasable.

Example-  Hard Disk Drive ,CD/DVD,  Flash Drive etc.

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