About This Quiz
On virtually every computer available, the basic input/output system, or BIOS, makes sure all the other components function together smoothly. Without BIOS, you wouldn't be able to load your operating system. How much do you know about BIOS?The BIOS provides instructions to the microprocessor for how to access the operating system.
Along with your operating system and applications, the BIOS is the third type of software your computer needs to work successfully.
The BIOS is normally stored on a Flash memory chip on the computer's motherboard.
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When you turn on your computer, BIOS loads the interrupt handlers, which act as translators between the hardware components and the operating system.
The 64 bytes of RAM located on the CMOS chip provide detailed information particular to your system.
Incorrect CMOS settings may prevent your computer from booting up.
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Common options included in CMOS setup include setting the time and date, setting passwords for security and configuring hard drives.
Device drivers identify base hardware components such as the keyboard, mouse and hard drive.
Since BIOS is constantly intercepting signals, it's usually copied, or shadowed, into RAM to run faster.
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