·         What is it? – Basic Input Output System

·         Why is it necessary?

– boot up

·         Important Functions

– Check CMOS Set-up.

 – POST – Power On Self Test.

– Display system setting.

– Initiate bootstrap sequence.

Configuring BIOS

·         System Time/Date.

·         Boot Sequence.

·         Plug and Play.

·         Drive Configuration.

·         Security.

·         Power Management.