A data unit of 1024 bytes. Abbreviated K, kb, or Kbyte. See also kilo-.
1024 bytes of information; SYN. Kilobyte, k, K, kb, kB, Kb, kb.
A thousand bytes. Actually, usually 1024 (210) bytes.
(k or kb) In computing, a unit of memory equal to 1,024 bytes. It is sometimes used, less precisely, to mean 1,000 bytes.
In the metric system, the prefix “kilo-” denotes multiplication by 1,000 (as in kilometer, a unit equal to 1,000 meters). However, computer memory size is based on the binary number system, and the most convenient binary equivalent of 1,000 is 210, or 1,024.