Booting process

Booting

Booting

What is a booting?

The process of starting up a device or computer.

Booting

The booting process is ensure all the hardware and system software is working in proper way and ready to use.

Open Ended

What is a booting? What is ensured at booting?

Booting Process

Process happened in booting process are:

1. Power on/reset

As soon as the computer is turned on, BIOS is run. BIOS is a software is built into computer's ROM.
BIOS starts the OS and supports the transfer of information between hardware devices.



BIOS= Basic Input Output System

Open Ended

What does the BIOS stand for?

2. POST (Power-on-self-test)

The BIOS performs a POST to check the hardware components for proper functionality.

Open Ended

What happened in the POST?

3. Boot devices selection

The BIOS then looks in bootable devices such as Hardisk, CD, etc for the special boot programs that will load the operating system from the hard disk.

4. Boot loader execution

The BIOS next looks and copies the information to spesific locations in RAM. This information is know as Master Boot Record (MBR)

Multiple Choice

Which one is MBR?

• Master Boat Record

• Memory Boot Record

• Master Boot Record

• Master Boot Recognition

5. Kernel loading

MBR loads kernel into the RAM and process the memory, CPU and managing hardware.


Kernel is the core of the operating system.

Open Ended

Kernel is?

6. Initialization & User login

Once the system files are loaded, the OS is ready to take control of the system.

Booting process in flowchart

Open Ended

So, please type 6 process in booting.

Types of booting

​There are two types of booting:

1. Warm boot: Pressing the POWER/RESTART button while the computer still on.
2. Cold boot: Pressing the POWER button when the computer is off.

Open Ended

How many types of booting? Please mention.

Multiple Choice

Cold boot is

• Pressing the POWER/RESTART button while the computer still on.

• Pressing the POWER button when the computer is off.

Multiple Choice

Pressing the POWER/RESTART button while the computer still on.

• Warm boot

• Cold boot

​The End of The Lesson...