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www.reference.com/technology/function-bios-pc-5caccf013a41f726

The main function of the BIOS (Basic Input Output System) is to boot up an operating system on a PC. It does this by first identifying and testing all hardware components (including the hard disk and floppy drives), and then by locating a valid operating system to which it can transfer control.

www.computerhope.com/jargon/b/bios.htm

BIOS may refer to any of the following: 1. Short for Basic Input/Output System, the BIOS (pronounced bye-oss) is a ROM chip found on motherboards that allows you to access and set up your computer system at the most basic level. The picture below is an example of what a BIOS chip may look like on a computer motherboard.

smallbusiness.chron.com/primary-function-bios-cmos-68581.html

The BIOS's primary function is to handle the system setup process including driver loading and operating system booting. ... A computer's Basic Input Output System and Complementary Metal-Oxide ...

www.eiratek.com/what-is-bios-in-computer

What Is BIOS, Functions Of Bios In Computer - Basic Input Output System is a read-only memory (ROM) chip found in computers to start it and to ensure proper functioning.

www.tinygreenpc.com/blog/the-function-of-bios-on-a-mini-pc

The BIOS – which stands for Basic Input Output System – is one important part of your system. It is a program developed for your computer to boot up.. The BIOS first determines whether all components are in place and correctly working.Then it loads the operating system into your computer's random access memory (RAM) from your hard disk (or installation storage).

en.wikipedia.org/wiki/BIOS

The BIOS firmware comes pre-installed on a personal computer's system board, and it is the first software to run when powered on. The name originates from the Basic Input/Output System used in the CP/M operating system in 1975.

www.lifewire.com/bios-basic-input-output-system-2625820

BIOS access and configuration on PC systems is independent of any operating system because the BIOS is part of the motherboard hardware. It doesn't matter if a computer is running Windows 10 , Windows 8 , Windows 7 , Windows Vista , Windows XP , Linux, Unix, or no operating system at all—BIOS functions outside of the operating system ...

www.quora.com/What-is-BIOS-What-are-its-characteristics...

BIOS Stands for "Basic Input/Output System." Most people don't need to ever mess with the BIOS on a computer, but it can be helpful to know what it is. The BIOS is a program pre-installed on Windows-based computers (not on Macs) that the computer uses to start up. The CPU accesses the BIOS even before the operating system is loaded.

www.webopedia.com/TERM/B/BIOS.html

(bī´ōs) BIOS is an acronym for basic input/output system, the built-in software that determines what a computer can do without accessing programs from a disk.The BIOS is an important part of any computer system. On personal computers (PCs), for example, the BIOS contains all the code required to control the keyboard, display screen, disk drives, serial communications, and a number of ...

www.answers.com/Q/Main_function_of_the_bios

The BIOS (basic input output system) provides the basic services like 'power on self test' (to check whether all the devices like keyboard,mouse that are connected to computer are working or not ).