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BIOS
(bī′ōs′)
Comput. basic input/output system
See BIOS in American Heritage Dictionary 4
noun
The set of routines stored in read-only memory that enable a computer to start the operating system and to communicate with the various devices in the system, such as disk drives, keyboard, monitor, printer, and communications ports.
Origin:
Origin: b(asic) i(nput/)o(utput) s(ystem)
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