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: -When the computer is turned on or restarted, it first performs the power-on-self-test, also known as POST. If the POST is successful and no issues are found, the bootstrap loader will load the operating system for the computer into memory.

Detailed explanation-3: -The bootloader is stored in the first block of the bootable medium. The bootloader is stored on a specific partition of the bootable medium.

Detailed explanation-4: -Cold Booting/ Hard Booting: Cold booting is the process when our computer system moves from shut down state to the start by pressing the power button. The system reads the BIOS from ROM and will eventually load the Operating System.

Detailed explanation-5: -Computer Operating Systems When you turn on the power to a computer, the first program that runs is usually a set of instructions kept in the computer’s firmware called the boot ROM.