Boot block

A boot block (or boot sector) is a program on a hard disk, floppy disk or other storage medium, which is loaded when the computer is turned on or rebooted.
==Description==
The boot block controls the next phase of loading the actual operating system. The loading and execution of the boot block is usually controlled by firmware in ROM or PROM. It may be at some fixed location possibly or may be pointed to by the master boot record.. 1994-12-13.
==References==
==External links==
*Boot sector at Techopedia
* at Wikipedia
Category:Terms