Describe the three main functions of a motherboard BIOS.
What will be an ideal response?
The system BIOS (basic input/output system) contains instructions for running essential hardware devices before an operating system is started. After the OS is started, it might continue to use system BIOS or use device drivers to communicate with these devices. The startup BIOS starts the computer and finds a boot device (hard drive, CD drive, or USB fl ash drive) that contains an operating system. It then turns the startup process over to this OS. The setup BIOS is used to change motherboard settings. You can use it to enable or disable a device on the motherboard (for example, network port, video port, or USB ports), change the date and time that is later passed to the OS, and select the order of boot devices for startup BIOS to search when looking for an operating system to load.
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