kilobit

noun Computers.

1. 1024 (210) bits.
2. (loosely) 1000 bits. Symbol: Kb

noun computing

1. (in general computer contexts, such as data transfer) 1000 bits
2. (in data-storage contexts) 1024 bits

1. One thousand bits.
2. 1,024 (that is, 210) bits. See Note at megabyte.