kilobyte

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English[edit]

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Etymology[edit]

Coined in the 1960s, from kilo- (thousand) +‎ byte.

Noun[edit]

kilobyte (plural kilobytes)

  1. (computing, chiefly RAM) A unit of storage capacity, equal to 1024 (210) bytes : a kibibyte. Frequently abbreviated KB.
    • 1969, Hisashi Horikoshi, MEMORY CONTROL SYSTEM, US Patent 3618041:
      It is assumed herein that each block includes 32 bytes, each sector includes 1 kilobyte, the buffer memory 116 includes 4 kilobytes, and read data is represented by one double word or 64 bits, as one word in this case consists of 32 bits.
  2. (computing, chiefly networking) 1000 (103) bytes. SI Symbol: kB
    • 1969, Harold R. Dell, HIGH-DENSITY PERMANENT DATA STORAGE AND RETRIEVAL SYSTEM, US Patent 3638185:
      The data word processor 606 handles the in-flow and out-flow of byte-oriented input/output data and interleaved signals at a rate of, for example, 500 kilobytes per second. Instruction processing rates of four to eight per microsecond are required for such a data flow.

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Italian[edit]

Etymology[edit]

kilo- +‎ byte

Noun[edit]

kilobyte m (invariable)

  1. (computing) kilobyte

Portuguese[edit]

Noun[edit]

kilobyte m (plural kilobytes)

  1. (computing) kilobyte (1024 bytes)