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VBRs on smaller and larger sectors may show signatures at the end of the actual sector size as well, however, the semantics described herein apply to the 16-bit signature at +1FEh only. This signature indicates the presence of at least a dummy boot loader which is safe to be executed, even if it may not be able to actually load an operating system.
Variable bitrate, in telecommunications and computing, a non-constant sound or video encoding bitrate; Volume boot record, in computer disks, a type of boot sector that contains code for bootstrapping programs
Variable bitrate (VBR) is a term used in telecommunications and computing that relates to the bitrate used in sound or video encoding. As opposed to constant bitrate (CBR), VBR files vary the amount of output data per time segment.
On IBM PC compatible machines, the BIOS is ignorant of the distinction between VBRs and MBRs, and of partitioning. The firmware simply loads and runs the first sector of the storage device. [3] If the device is a floppy or USB flash drive, that will be a VBR. If the device is a hard disk, that will be an MBR.
A Vertebrae Bend Restrictor (VBR) is used in the oil and gas industry as part of offshore deep sea drilling operations. It is designed to prevent damage to an umbilical cable from overbending.
A master boot record (MBR) is a type of boot sector in the first block of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond.
IBMBIO.COM (at the top of the listing of COM files) in IBM PC DOS 1.0.. IBMBIO.COM is a system file in many DOS operating systems. It contains the system initialization code and all built-in device drivers.
A flow diagram of a computer booting. In computing, booting is the process of starting a computer as initiated via hardware such as a physical button on the computer or by a software command.