FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -The boot process begins when you push the power button, which sends power to the bootloader in the cache memory. The bootloader program performs a POST, or Power On Self Test called, and if everything is okay, the Basic Input Output System, or BIOS, is activated and then finds and loads the operating system.

Detailed explanation-2: -Six steps of the booting process are BIOS and Setup Program, The Power-On-Self-Test (POST), The Operating system Loads, System Configuration, System Utility Loads and Users Authentication.

Detailed explanation-3: -Booting is basically the process of starting the computer. When the CPU is first switched on it has nothing inside the Memory. In order to start the Computer, load the Operating System into the Main Memory and then Computer is ready to take commands from the User.

Detailed explanation-4: -The very first step is to turn on the computer. To do this, locate and press the power button. It’s in a different place on every computer, but it will have the universal power button symbol (shown below).

Detailed explanation-5: -The BIOS starts the monitor and keyboard, and does some basic checks to make sure the computer is working properly. For example, it will look for the RAM. The BIOS then starts the boot sequence. It will look for the operating system.