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MEMORY | PRIMARY MEMORY | RAM (RANDOM ACCESS MEMORY) | TYPE OF RAM | ROM (READ ONLY MEMORY) | TYPE OF ROM.

 MEMORY PRIMARY MEMORY 1) RAM (RANDOM ACCESS MEMORY) Ram is call random access because one can access any memory call which is the basic uni...

 MEMORY

PRIMARY MEMORY

1) RAM (RANDOM ACCESS MEMORY)

  • Ram is call random access because one can access any memory call which is the basic unit of data storage.
  • It is a volatile memory.
  • Ram is used for temporary storage of data.

TYPE OF RAM

  • SRAM
  • DRAM
  • EDO RAM
  • VRAM
  • RD RAM
  • SDRAM
  • DDRRAM


2) ROM (READ ONLY MEMORY)

  • Non-volatile memory.
  • Contains PC startup instruction.
  • it is chip present on the motherboard.
The following are the set of programs contained in ram.

POST (POWER ON SELL TEST)

The post test computers , processors , memory , chipset , video adapter , disk drives and other hardware.


BIOS (BASIC INPUT/OUTPUT SYSTEM)

The refers to the collection of device drivers used to act.
As a basic interface between the operating system.


TYPE OF ROM

  • PROM (PROGRAMMABLE RAM)
  • EPROM (ERASABLE PROM)
  • EEPROM (ELECRICALLY ERASABLE)




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MEMORY | PRIMARY MEMORY | RAM (RANDOM ACCESS MEMORY) | TYPE OF RAM | ROM (READ ONLY MEMORY) | TYPE OF ROM.

 MEMORY PRIMARY MEMORY 1) RAM (RANDOM ACCESS MEMORY) Ram is call random access because one can access any memory call which is the basic uni...