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In computing, the BIOS (pronounced /'ba?o?s/) is an initialism stands for the Basic Input/Output System according to the IBM Personal Computer Technical Reference manual[1] [2] or the punctuational variants Basic Input Output System, or Basic Input-Output System.
BIOS in part refers to the firmware code run by a PC when first powered on, which is a type of boot loader.
The primary function of the BIOS is to identify and initialize system component hardware (such as the video display card, hard disk, and floppy). This is to prepare the machine into a known low capability state, so other software programs stored on various media can load, execute, and assume control of the PC.[3] This process is known as booting, or booting up, which is short for bootstrapping.
Among other classes of computers, the generic terms boot monitor, boot loader or boot ROM were commonly used.
Some Sun and Macintosh PowerPC computers used Open Firmware for this purpose.
There are a few alternatives for Legacy BIOS in the x86 world: Extensible Firmware Interface, Open Firmware (used on the OLPC XO-1) and coreboot.
Source: Wikipedia (http://en.wikipedia.org/wiki/BIOS)
Here are the best overviews and tutorials for bios:
- overview, 3 stars
-
BIOS @ Wikipedia
BIOS stands for Basic Input/Output System also incorrectly known as Basic Integrated Operating System and occasionally Built In Operating System[citation needed]. BIOS refers to the firmware code run by an IBM compatible PC when first powered on. The primary function of the BIOS is to prepare the machine so other software programs stored on various media (such as hard drives, floppies, and CDs) can load,...
To browse all sites for 'BIOS,' click
here
.
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