A field on hard drive, the computer disk drive, or other disk drive which has teaches on the best way to start in the drive the computer. It is the very first sector located in the hard drive.
It contains data used to boot a computer system.But if a disk’s boot sector becomes ruined or contains invalid data, the computer will not be able to start up from the disk in such case take help of antivirus program.
IBM Computer devices have various kinds of boot industries; the master boot document (MBR) that will be the very first field of the portioned drive that and also the quantity start document (VBR) which includes partition info at the start of every partition.
The MBR sector may contain code to locate the active partition and invoke its Volume Boot Record.
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The hard disk was invented on September 13, 1956 by IBM team led by Rey Johnson (considered as “father” of the disk drive). Earlier hard disk drives were large and cumbersome devices.