Exam-style question
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When arguing for the efficiency of a program, which evidence is most directly relevant?.
- A.Logical reasoning about the work performed by the implemented algorithm
- B.The colour scheme used in the program interface
- C.The number of comments in the source code alone
- D.A user preference that does not concern program behaviour
Model answer
What a good answer should say
- Logical reasoning about the work performed by the implemented algorithm
Explanation
Why this works
Efficiency can be justified by reasoning about how much work the implemented algorithm performs. This is distinct from visual design or unrelated user preferences.
Common mistake
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