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BIOS allows you to determine a computing systems boot sequence, enable/disable internal & external devices, set date & time, and a host of other system-specific internal functions. In addition, it allows you to change the configuration of all the system components and hardware configuration such as the Startup sequence, RAM, which hard disk drive to use, optical display and well as the CPU itself. So you will learn how to modify the configurations of all these components, what reconfiguring limitations you may encounter, and how this information is stored and retained on the motherboard once your changes are made.