What does "no-op" mean?

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Chapters
00:00 What Does &Quot;No-Op&Quot; Mean?
00:29 Accepted Answer Score 29
00:46 Answer 2 Score 3
01:05 Thank you

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#avk47

ACCEPTED ANSWER

Score 29

"No operation", i.e. do nothing.

It comes from the assembly language instruction "noop" on most processors which does nothing for one clock cycle and is used for example in delays.

ANSWER 2

Score 3

This seems to be vaguely computer-science related. I think it means that "Add" is a non-operation. In more words, the "Add" operation does nothing to an object in the "Added" state. Does that answer your question?

Edit: Martin's answer is better.