operator
(1) An organization that provides communications services. See network operator.
(2) In programming, a symbol used to perform an arithmetic or logical operation. See arithmetic operators and Boolean operator.
(3) A person who operates a computer in a datacenter and performs such activities as commanding the operating system, mounting disks and tapes and placing paper in the printer. Operators may also write the job control language (JCL), which schedules the daily work for the computer. See system development cycle and salary survey.
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operator
Maths any symbol, term, letter, etc., used to indicate or express a specific operation or process, such as Δ (the differential operator)
| (programming) | operator - A symbol used as a function, with infix syntax if it has two arguments (e.g. "+") or prefix syntax if it has only one (e.g. Boolean NOT). Many languages use operators for built-in functions such as arithmetic and logic. |
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