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'''BIOS''' (basic input/output system) is a firmware system which runs all modern computers. It initiates during the start up of the [[computer]], and is responsible for initializing the computer's hardware, selecting an [[operating system]], and starting that system.<ref>http://smallbusiness.chron.com/purpose-bios-computer-69278.html</ref> Additionally, if the main [[operating system]] encounters a serious problem which results is what is labeled a "hard stop error" (sometimes lass accurately called a "crash"), the computer will usually revert to the BIOS to display an error message.  This kind of message is displayed as white text on a blue background, and had become known as the "Blue Screen of Death" or simply a "Blue Screen."

'''BIOS''' (basic input/output system) is a firmware system which runs all modern computers. It initiates during the start up of the [[computer]], and is responsible for initializing the computer's hardware, selecting an [[operating system]], and starting that system.<ref>http://smallbusiness.chron.com/purpose-bios-computer-69278.html</ref> Additionally, if the main [[operating system]] encounters a serious problem which results in what is labeled a "hard stop error" (sometimes less accurately called a "crash"), the computer will usually revert to the BIOS to display an error message.  This kind of message is displayed as white text on a blue background, and has become known as the "Blue Screen of Death" or simply a "Blue Screen."

==References==

==References==