Topic: BIOS, Booting Process & Operating System

By the end of this class, students should be able to:

BIOS is a small program stored on the motherboard that starts the computer and prepares it to load the operating system.

When we press the power button, BIOS is the 

BIOS is like a security guard who checks everything before opening a school.

CMOS is a small memory that stores BIOS settings.

starting the computer and loading the operating system

Power ON → BIOS → POST → OS → Ready to use

Continuous beeps often indicate RAM issues.

An operating system is system software that acts as an interface between the user and the computer hardware.

Explain that Android is also an OS even though it runs on phones.

Applications cannot run without an operating system.

Do not change settings permanently. Exit without saving.

It is a small program stored on the motherboard that starts the computer and loads the operating system.

BIOS runs before Windows or any other OS.

If battery is removed or dead, settings reset.

If any error occurs, beep sounds may be heard.