BIOS
Computer Science: OCR A Level, topic 2.1.11
BIOS
BIOS contains the instructions used to get your computer up and running.
BIOS
- BIOS contains the instructions used to get your computer up and running.
- BIOS stands for Basic Input Output System.
- BIOS is responsible for the initial booting up of the computer.
- BIOS is usually stored in ROM.
Process
- As part of the bootup, it performs a power-on self-test (POST) to ensure all of the components are working properly.
- It then bootstraps the initial part of the operating system in memory to allow the computer to complete booting up.
Test yourself on BIOS
What does BIOS stand for?
What is the purpose of the power-on self-test?