kilobyte etymology

Etymology

kilobyte (n.)

1956, from kilo- "one thousand" (from Greek khilioi) + byte. The word is often used to mean 1,024 bytes, rather than 1,000 bytes, due to the way computer memory is addressed.

Meaning

A unit of computer memory or storage equal to 1,024 bytes.

Origin

The term "kilobyte" was first used in 1956 by IBM in a reference manual for the IBM 705 computer. The manual defined a kilobyte as 1,024 bytes, which was the amount of memory that could be addressed by the computer's 12-bit address bus.

The term "byte" was coined in 1956 by Werner Buchholz, a member of the team that developed the IBM 704 computer. Buchholz defined a byte as a group of bits that could be addressed as a unit. The size of a byte was not specified, but it was typically 8 bits.

The term "kilo" is derived from the Greek word χίλιοι (khilioi), meaning "one thousand". The term "byte" is derived from the English word "bite", which is a slang term for a small amount of data.

Usage

The term "kilobyte" is often used to describe the size of computer files and programs. For example, a file that is 1,024 bytes in size would be described as a 1-kilobyte file.

The term "kilobyte" is also used to describe the amount of memory or storage that is available on a computer. For example, a computer with 1,024 kilobytes of memory would have 1 megabyte of memory.

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