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Programming methods final exam questions
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What is an abstract data type (ADT)?
What is an abstract data type (ADT)?
An abstract data type makes available, for use in programs, a set of abstract values together with operations on those values. Its implementation is encapsulated and not directly accessible by client code, so that client code does not depend on the implementation.
Why is it a good idea to write modular programs? Give five reasons.
Why is it a good idea to write modular programs? Give five reasons.
It facilitates:
1. Communication about design
2. Planning and progress tracking
3. Verifiability
4. Maintainability
5. Reuse
Explain design principle DRY and how it relates to functional decomposition.
Explain design principle DRY and how it relates to functional decomposition.
DRY stands for Don't Repeat Yourself. Each problem should be solved in one place only. You can keep this in mind when doing functional decomposition; making sure each subproblem is only solved once.
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