kilobyte

noun Computers.

1. 1024 (210) bytes.
2. (loosely) 1000 bytes. Symbol: K, KB

noun

1. computing 1024 bytesAbbreviation: KB, kbyte See also kilo- (def. 2)

1. A unit of computer memory or data storage capacity equal to 1,024 (that is, 210) bytes.
2. One thousand bytes. See Note at megabyte.