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boot sector

   Also found in: Acronyms, Wikipedia 0.23 sec.

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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Virus A program or code that replicates--that is, infects another program, boot sector, partition sector, of document that supports macros by inserting itself or attaching itself to that medium.
Glossary of virus-related terms by The Newsletter on Newsletters
By booting up (starting) your computer from an infected diskette, which is called a boot sector virus.
Facts and fables about computer viruses by Hunton, James E. / Journal of Accountancy
com, today announced a family of hard drive enclosures which encrypt and decrypt the entire hard drive in real time, including boot sector, temp files, swap files and the operating system, without degrading system performance.
Addonics Announces the Saturn Cipher Hard Drive Encryption Solution ... by Business Wire
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