ROM BIOS

ROM BIOS definition - computer

(ROM Basic Input Output System) The BIOS in a PC stored on a ROM chip. Early PCs used a ROM BIOS, but PCs today use a flash memory BIOS because it can be updated in place. In order to update a ROM BIOS, the computer case had to be opened, and the ROM chip had to be located and replaced. See BIOS and ROM.



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