Exam-style question
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What is the main purpose of a hierarchy chart during program design?.
- A.To show the detailed syntax of every statement in a program
- B.To show how a program is broken into modules and how those modules relate
- C.To record the test data used to check a program
- D.To display the memory address of each variable
Model answer
What a good answer should say
- To show how a program is broken into modules and how those modules relate
Explanation
Why this works
A hierarchy chart represents the structure of a program by showing its major tasks and the lower-level modules used to carry them out.
Common mistake
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