- Long form of BIOS is Basic Input Output System.
- BIOS is first thing that runs when you boot the PC.
- The BIOS' job is to identify,test,and initialize components of the system.
- The BIOS by erasing it rewriting it in a process known as flashing.
The specifics of which depend on BIOS are
- Date
- Time
- Hare drive configuration
- Boot sequence
- RAM
- Serial and parallel port assignments
- Enable/disable onboard controllers
- Enable/disable supervisor and user passwords
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