The BIOS then starts the boot sequence. It looks for the operating system stored on your hard drive and loads it into the RAM. The BIOS then transfers control to the operating system, and with that, your computer has now completed the startup sequence.

What is the sequence of booting a computer?

Boot sequence is the order in which a computer searches for nonvolatile data storage devices containing program code to load the operating system (OS). Typically, a Macintosh structure uses ROM and Windows uses BIOS to start the boot sequence.

What happens during the boot up process?

Booting is what happens when a computer starts. ... When you boot a computer, your processor looks for instructions in system ROM (the BIOS) and executes them. They normally 'wake up' peripheral equipment and search for the boot device. The boot device either loads the operating system or gets it from someplace else.