Also known as: bs.
BS has various meanings in the Hardware category. Discover the full forms, definitions, and usage contexts of BS in Hardware.
A bad sector is a sector on a computer's disk drive or flash memory that cannot be used due to permanent damage, such as physical damage to the disk surface or failed flash memory transistors. It is usually detected by a disk utility software such as CHKDSK or SCANDISK on Microsoft systems, or badblocks on Unix-like systems. When found, these programs may mark the sectors unusable and the operating system skips them in the future.
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