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Thursday, March 23, 2017

Difference between RAM and ROM

RAM
ROM
It holds running programs, data in use and Operating System.
It stores information of Hardware's and manufacturer's info.
It loses its contents when turned off and called volatile memory.
It does not lose it's contents when turned off and called non-volatile memory
It’s contents can be read and written by user.
It’s contents can be read only. Some new ROMs are not read only like:
  • PROM
  • EPROM
  • EEPROM
It’s contents can be changed by user
It’s contents can’t be changed
It may hold up to 16GB contents
It is small memory, maximum can be 4 MB

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