S: (n) byte (a sequence of 8 bits (enough to represent one character of alphanumeric data) processed as a single unit of information)
S: (n) sector (the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes)
S: (n) 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"
S: (n) allocation unit (a group of sectors on a magnetic disk that can be reserved for the use of a particular file)
S: (n) partition ((computer science) the part of a hard disk that is dedicated to a particular operating system or application and accessed as a single unit)
S: (n) word (a string of bits stored in computer memory) "large computers use words up to 64 bits long"