Practice Logical Expressions (2.1.c) - Chapter 7: Variables and Expressions

Practice: Logical Expressions

Lesson 2.1.cVariables and Expressions

Practise this section

10 questions

Flashcard drill
4 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
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does the OR operator do?
Show hintHide hint
Think about when at least one condition can satisfy a requirement.
Question 2.
What is the purpose of the NOT operator?
Show hintHide hint
Consider what it means to say something is not true.
3Question 3.
What does the AND operator (&&) do in a logical expression?
- Returns true if both conditions are true
- Returns true if at least one condition is true
- Inverts the truth value
Show hintHide hint
Think about a scenario where both items must be satisfied.
4Question 4.
True or False: The NOT operator can change a true expression to false.
- True
- False
Show hintHide hint
Think about how 'not' changes a statement.
Question 5.
Construct a logical expression that captures the behavior of a user being eligible for a reward if they are over 18, have been active in the last month, and their score is above 100.
Show hintHide hint
Think about the eligibility criteria and use logical operators to combine them.
Question 6.
Write a code snippet that uses a logical expression to determine if a student is passing if they have at least 50% in subjects A & B or 60% in subject C.
Show hintHide hint
Evaluate both paths of conditions to ensure passing criteria is met.

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