...rebooting your computer, it first reads a piece of code that tells the computer how to read the rest of the operating system. Without a boot sector, none of the other sectors make sense. It would be just data and not code.
...rebooting your computer, it first reads a piece of code that tells the computer how to read the rest of the operating system. Without a boot sector, none of the other sectors make sense. It would be just data and not code.