bad block(redirected from Bad sector)
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|Noun||1.||bad block - (computer science) a block (usually one sector) that cannot reliably hold data|
computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
block - (computer science) a sector or group of sectors that function as the smallest data unit permitted; "since blocks are often defined as a single sector, the terms `block' and `sector' are sometimes used interchangeably"