<operating system> A program at some fixed location on a hard
disk, floppy disk or other media, which is loaded when the
computer is turned on or rebooted and which 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.
(1997-07-03)
Nearby terms:
Boole, George « Booster « boot « boot block » boot disk » booting » BOOTP