Practice What Is A Function? (4.1) - Functions - ICSE 10 Computer Applications

Practise this section

9 questions

Flashcard drill
5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a function?
Show hintHide hint
Think of where you define a reusable block of instructions.
Question 2.
Give an example of a library function in Java.
Show hintHide hint
It's a function in the Math library.
3Question 3.
What is the purpose of a function in programming?
- To perform a specific task
- To format a document
- To create a user interface
Show hintHide hint
Think about code organization.
4Question 4.
True or False: A pure function can cause side effects.
- True
- False
Show hintHide hint
Consider what happens when you call the function when the same inputs are used.
Question 5.
Create a user-defined function that computes the factorial of a given number. Explain how you would handle errors such as negative numbers.
Show hintHide hint
Think about the base condition for recursion.
Question 6.
Write a pure function that checks if a number is even or odd. Explain why it's classified as pure.
Show hintHide hint
Consider repeating results when using the same input.

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