What is ROM?

In this blog article, we talk about ROM.

Read-Only Memory

Read-Only memory (ROM) is a type of memory used in computers and other electronic devices.

Data stored in ROM cannot be electronically modified after the manufacture of the memory device.

In computers, ROM is a small memory chip located on the motherboard.
ROM is a primary memory that is read only, which means data can only be read from it.
ROM is non-volatile which means the contents of ROM are not lost when the power is turned off.
ROM chip on the motherboard contains the booting (power-on startup) instructions that a computer needs for booting up.
Basic Input/Output System (BIOS) is stored in a ROM.
ROM is fast memory, but it is slower than RAM.
ROM capacity is smaller compared to RAM.
ROM capacity cannot be increased.

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