FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -The boot process is initiated when the power button is pressed, it sends power to the boot-loader in the cache memory. The Boot loader performs POST as a preboot sequence and if everything is working well without any errors the BIOS(Basic Input Output System) is activated which finds and loads the operating system.

Detailed explanation-2: -is a process of switching on the computer and starting the operating system. 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: -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-4: -In computing, booting is the process of starting a computer as initiated via hardware such as a button or by a software command. After it is switched on, a computer’s central processing unit (CPU) has no software in its main memory, so some process must load software into memory before it can be executed.

Detailed explanation-5: -The first thing a computer has to do when it is turned on is start up a special program called an operating system. The operating system’s job is to help other computer programs to work by handling the messy details of controlling the computer’s hardware.