Questions and Answers
What does BIOS stand for?
Basic Input/Output System
Where is the BIOS firmware pre-installed?
System board of an IBM PC or IBM PC compatible
What is the main function of the BIOS in modern PCs?
Initialize and test system hardware components
What did the BIOS provide in the era of DOS?
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What do most BIOS implementations work specifically with?
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Study Notes
BIOS Basics
- BIOS stands for Basic Input/Output System.
BIOS Location
- BIOS firmware is pre-installed on the motherboard of a computer.
BIOS Function
- The main function of the BIOS in modern PCs is to initialize and test the system's hardware components, and to boot the operating system from a storage device.
BIOS in the DOS Era
- In the era of DOS, the BIOS provided a way to interact with the keyboard, display, and storage devices, allowing the operating system to focus on its core tasks.
BIOS Compatibility
- Most BIOS implementations work specifically with x86-based systems.
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