ROM BIOS
BIOS stands for basic input/output system, and it consists of low-level software that controls the system hardware and acts as an interface between the operating system and the hardware. Most people know the term BIOS by another name: device drivers, or just drivers. In other words, the BIOS is a collection of all the drivers in a system. BIOS is essentially the link between hardware and software in a system. The system BIOS is contained in a ROM chip on the motherboard that also contains the power-on self-test (POST) program and a bootstrap loader. The BIOS directs the bootstrap loader to look for an operating system (OS) in any one of various drive locations. After the OS was loaded, the bootstrap program could call on the low-level ...
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