Exam-style question
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What is a composition abstraction?.
- A.A single data object stored in a variable
- B.A compound procedure formed by combining procedures
- C.A procedure that can never call another procedure
- D.A tree containing only one data object
Model answer
What a good answer should say
- A compound procedure formed by combining procedures
Explanation
Why this works
A composition abstraction is built by combining procedures so that they form a compound procedure.
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