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boot sector
(redirected from Bootsector)

   Also found in: Wikipedia 0.01 sec.
boot sector
Reserved sectors on disk that are used to load the operating system. On startup, the computer looks for the master boot record (MBR) or something similarly named, which is typically the first sector in the first partition of the disk. The MBR contains a program that reads the partition table which points to the first sector that contains the operating system. That sector contains another small program that causes the computer to read the operating system.


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o A flash drive that supports booting applications in general; contains boot/system files and bootsector area.
Using Steganos AntiVirus 2006, the computer is protected from script, macro, dam, bootsector, polymorphous, ActiveX and Java viruses.
The virus loads its disk into memory and makes itself memory resident, then loads the original bootsector into memory and transfers control that way, not even the operating system notices the presence of the virus.
 
 
 
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