Difference between RAM and ROM

There is a big difference between a read-only memory (ROM) and a random access memory (RAM):

  • ROM can hold data without power and RAM can not.
  • Basically ROM is meant for permanent storage, and RAM is for temporary storage.
  • A ROM chip is a non-volatile storage medium, which means that it does not require a constant source of energy to retain the information stored on it. In contrast, a RAM chip is volatile, which means that it loses all the information it has when it is turned off.

Computer ROM:

A good example of ROM is the computer’s BIOS, a PROM chip that stores the programming necessary to begin the initial process of starting the computer. Using a non-volatile storage medium is the only way to begin the startup process for computers and other devices. ROM chips are also used in game system cartridges, such as the original Nintendo, Gameboy, Sega Genesis, and many others.The oldest ROM-type storage media can be traced back to 1932 with battery memory. ROM storage is still in use and continues to be improved for better performance and storage capacity

Computer RAM:

 

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