NOP (code)

In computer science, a NOP, no-op, or NOOP (pronounced "no op"; short for no operation) is a machine language instruction and its assembly language mnemonic, programming language statement, or computer protocol command that does nothing.

This article is about the "No Operation" computer instruction. For Null statement, see Null function. For Do nothing instruction, see Do Nothing (disambiguation). For other uses, see NOOP (disambiguation) and NOP (disambiguation).
Machine code
General concepts
Instructions
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