when the computer is turned on for the first time, how does the operating system gets loaded from the hard disk to the ram? cause the o/s permits the programs to get booted but if the o/s is also in the hard disk, who permits it to be booted?
When powered on, the processor is hard wired to start executing instructions at a specific address. The bios/efi is placed at that address, and is what determines what drive to read the OS from.
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