Start -up Sequence Flashcards
1
Q
What is the first thing a computer does as it is turned on
A
Turns on input/output devices
- so that it can present any errors to user straight away
- however before anything can be loaded in ram, the os has be fetched form secondary storage
2
Q
First step
A
Cpu fetches instructions from BIOS on ROM
3
Q
Second step
A
BIOS instructions are loaded in ram
4
Q
3rd step
A
Bios starts up monitor and keyboard
5
Q
4th step
A
Bios checks your computer is working
6
Q
5th step
A
OS is fetched from hard drive
7
Q
6th step
A
OS is loaded into ram
8
Q
7th step
A
Bios transfers control to os