(in general computer contexts, such as data transfer) 1000 bits
2.
(in data-storage contexts) 1024 bits
Abbreviation: Kb, kb
kilobit in American English
(ˈkɪləˌbɪt)
noun Computing
1.
1024 (210) bits
2. (loosely)
1000 bits
Abbreviation: Kb
Word origin
[1960–65; kilo- + bit3]This word is first recorded in the period 1960–65. Other words that entered Englishat around the same time include: Pap test, bicycle kick, buyback, pop art, tag question