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1.BIOS (Basic Input Output System)
BIOS is a software which is situated in Computer mother board.While turning on the computer, it will checks the Monitor,key board and then it goes to Operating system and searches to Hard drive
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The primary function of BIOS is to identify, test and initialize system devices.This can be loaded, executed and given control of the PC.They provide the basic Input/ Output functions that is to operate and to peripherals control