Practice Key Features (4.3.2) - Programming Paradigms (Procedural, Object-Oriented, Functional, etc.)

Practice: Key Features

Lesson 4.3.2Programming Paradigms (Procedural, Object-Oriented, Functional, etc.)

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8 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a pure function?
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Think about functions that can be tested in isolation.
Question 2.
Explain immutability.
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Consider why this might be beneficial in programming.
3Question 3.
What is a characteristic of a pure function?
- It modifies global state
- It always returns the same output for the same input
- It's only useful in loops
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Think about functions that can be tested easily.
4Question 4.
True or False: Lazy evaluation can improve performance.
- True
- False
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Consider how not evaluating immediately can save resources.
Question 5.
Create a simple program that demonstrates the concept of a pure function using any programming language of your choice. Explain why it is considered a pure function.
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Ensure your function does not depend on any outside variables.
Question 6.
Explain how a program utilizing lazy evaluation could perform differently than one that evaluates eagerly. Provide an example.
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Consider scenarios where not all data needs to be processed immediately.

4 more questions in this section. Enroll free to practise them all.