Flashcards
BIOS
Cards in this deck (4)
- 1BIOSThe BIOS (Basic Input Output System) loads the operating system.
- 2What are the steps?1) Makes sure that the hardware is connected and functioning (PowerON test)
2) Uses a bootloader/bootstrap to load the OS into memory.
3) After this is done, all the controls are handed over to the OS - 3Where is the BIOS stored?The BIOS is stored in ROM. However, the settings are stored in flash memory so that they can be changed and are retained when the power is switched off.
- 4What does the POST do?The POST [Power On Self Test] checks that the hardware is installed, and that the memory and hard disk is fully functioning to its requirement.
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- A level Computer Science (1.2.1 System Software) Flashcards on BIOS, created by Jason Dookarun on 23/03/2017.
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- Jason Dookarun
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