What is the difference between ROM and RAM ?

There is one major difference between a Read-Only Memory (ROM) and a Random-Access Memory (RAM) chip: ROM can hold data without power and RAM can't. Basically, ROM is intended for lasting storage, and RAM is for temporary storage.

Alternate explanation

A ROM chip is a non-volatile storage medium, which implies it doesn't require a steady source of capacity to hold the data stored on it. By contrast, a RAM chip is volatile, which implies it loses any data it is holding when the power is turned off.

Other differences between a ROM and a RAM

  • A ROM chip is utilized primarily in the start up procedure of a PC, though a RAM chip is utilized in the ordinary activities of a PC once the operating system has been loaded. 
  • Composing data to a ROM chip is a much slower process than composing it to a RAM chip. 
  • A RAM chip can store multiple gigabytes (GB) of data, going from 1 GB to 256 GB for every chip. A ROM chip stores several megabytes (MB) of data, normally 4 MB or 8 MB for every chip.
Also Read :

Computer ROM

A good example of ROM is the PC BIOS, a PROM chip that stores the programming needed to start the initial PC start up process. Utilizing a non-volatile storage medium is the best way to start the start up process for PCs and different devices. ROM chips are likewise utilized in gaming system cartridges, similar to the first Nintendo, Gameboy, Sega Genesis, and various others.

What is the difference between ROM and RAM ?
What is the difference between ROM and RAM ?
The most established ROM-type storage medium can be gone back to 1932 with drum memory. ROM-type storage is as yet utilized and continues to be enhanced for better execution and storage capacity.

Computer RAM

What is the difference between ROM and RAM ?
What is the difference between ROM and RAM ?
RAM chips are additionally utilized in PCs, and also different devices, to store data and run programs. RAM is one of the speediest sorts of memory in your PC and can switch immediately between tasks. For example , the Internet browser you are utilizing to read this page has been loaded into RAM and is running from it.
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