At this point, from all outward appearances, the PC looks as if it is still powered off. As soon as the power supply is able to supply reliable power to the motherboard, it transmits a “good power” signal to the motherboard’s chip set, which sends a system reset command to the processor. The power supply does not provide power to the rest of the PC immediately. (1) When you turn on the PC’s power switch, the internal power supply initializes itself. Booting Process of Computer Step by Step :. (3) It provides an interface between the hardware of the PC and its software. It contains that first instruction the computer needs to get started, programming that checks that computer’s hardware is attached and ready, and other routines to help the computer get up and running.Ī PC’s BIOS (Basic Input/Output System) includes the programming to perform three vital and useful functions for the PC: In fact, when the PC is first powered on, it is almost like it is being turned on for the very first time ever.The importance of the PC’s BIOS (Basic Input/Output System) is that it performs all of the functions the PC needs to get started. When we push the power of PC, there are absolutely no instructions in memory for the PC to execute. But Here I am going to explain the overall booting process of computer step by step to boost your knowledge. They just start the computer and do their work. Most of the people are not interested to know about booting process. When We start our computer and the starting screen comes infront of us.the process between this is called booting process of the Computer.
BIOS is the main part of Booting process of a Computer.
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