Definition: BIOS


Abbreviated for Basic Input Output System. A chip within the PC on the mother board that offers basic input and output services to all attached devices.




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Universal Serial Bus (USB)

A serial bus with a bandwidth of 1.5 megabits per second (Mbps) for connecting peripherals to a microcomputer. USB can connect up to 127 peripherals, such as external CD-ROM drives, printers, modems, mice, and keyboards, to the system through a single, general-purpose port. This is accomplished by daisy chaining peripherals together. USB supports hot plugging and multiple data streams.

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