21st November 2019

webopedia
15

What is a ROM in a computer?

Pronounced rahm, acronym for read-only memory, computer memory on which data has been prerecorded. Once data has been written onto a ROM chip, it cannot be removed and can only be read. Unlike main memory (RAM), ROM retains its contents even when the computer is turned off.

Likewise, what is the difference between RAM and ROM on a computer?

Data in RAM is not permanently written. When you power off your computer the data stored in RAM is deleted. ROM is a type of non- volatile memory. Data in ROM is permanently written and is not erased when you power off your computer.

Is ROM or RAM faster?

Physical appearance. RAM is a thin rectangular chip that you can find inserted in a slot on the motherboard, whereas ROM is typically an optical drive made of magnetic tapes. Furthermore, RAM is usually bigger than ROM.
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