[Solved] Lehman’s First Law (Lehman and Belady 1985) is

Q.	Lehman’s First Law (Lehman and Belady 1985) is
A.	Continuing change: A program used in real-world environment must change necessarily or become progressively less useful in that environment.
B.	Increase complexity: As an evolving program change, its strictures tend to become more complex. Extra resources must be devoted to preserving and simplifying the structure.
C.	Large program evolution: Program evolution is a self-regulating process.
D.	None of these
Answer» A. Continuing change: A program used in real-world environment must change necessarily or become progressively less useful in that environment.

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