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Additional
Boot sector
English Wikipedia - The Free Encyclopedia
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Boot sector
A
boot sector
or
boot block
is a region of a
hard disk
,
floppy disk
,
optical disc
, or other
data storage device
that contains
machine code
to be loaded into
random-access memory
(RAM) by a
computer system
's built-in
firmware
. The purpose of a boot sector is to allow the
boot
process of a computer to load a
program
(usually, but not necessarily, an
operating system
) stored on the same storage device. The location and size of the boot sector (perhaps corresponding to a logical
disk sector
) is specified by the design of the
computing platform
.
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