POST and BIOS Configuration Process

Front

What does BIOS stand for?

Back

Basic Input Output System.

Front

What is the primary function of the BIOS?

Back

To identify, test, and initialize system devices when the PC is powered on.

Front

What are some devices that the BIOS initializes?

Back

Video display card, hard disk, and other hardware.

Front

How does BIOS act in relation to the Operating System?

Back

BIOS acts as an interface between the Operating System and the Hardware.

Front

What are the three possible sources of BIOS in a PC?

Back

Motherboard ROM, Adapter card ROM, and loaded into RAM from disk.

Front

What does POST stand for?

Back

Power On Self Test.

Front

What does POST check?

Back

It checks that the basic components like motherboard, power supply, memory, video, and keyboard are functioning correctly.

Front

What are POST beep codes?

Back

Problems are indicated through the system speaker with beep sequences.

Front

What is the purpose of the BIOS Setup?

Back

To configure motherboard and chipset settings, date and time, passwords, disk drives, and other basic system settings.

Front

What is a Bootstrap loader?

Back

A routine that reads the first physical sector of various disk drives looking for a valid master boot record (MBR).