Unit 2.4 Assessment

This test monitors your progress across 4 key areas. Each section starts with Foundation questions and builds towards Higher/Challenge problems.

LO1: Symbols LO2: Tables LO3: Diagrams LO4: Scenarios
1

Gate Symbols (LO1)

Foundation

1. Which symbol represents a NOT gate?

Foundation

2. Which statement describes an OR gate?

Foundation

3. Identify this symbol:

Higher

4. Why is accuracy important when drawing a NOT gate?

Higher

5. What formal name is used for the AND operator?

Higher

6. Which mathematical symbol is often used for OR?

2

Truth Tables (LO2)

Foundation

7. NOT A

A Q
0 1
1
Foundation

8. A AND B

A B Q
1 0
Foundation

9. A OR B

A B Q
0 1
Higher / Challenge

Complete the 3-Input Truth Table: P = (A AND B) OR C

A B C P
0 1 1 1
1 0 1
1 1 0
1 1 1
3

Logic Diagrams (LO3)

Foundation

13. Which scenario matches this diagram?
[A] -> [NOT] -> [Q]

Foundation

14. Which gate outputs 1 only if BOTH inputs are 1?

Foundation

15. Input A=1 and Input B=0 go into an OR gate. What is Q?

Higher / Challenge

Questions 16-18: Fix the Circuit

Target Logic:

Q = NOT A AND (B OR C)

Click gates to swap types

A B C Q
4

Problem Solving (LO4)

Foundation

19. "Student (A) OR Coupon (B)".

Which logic matches?

Foundation

20. "Door Open (A) AND Key OFF (B)".

If Door Closed (0) & Key OFF (1)?

Foundation

21. In diagrams, inputs are usually on the:

Higher / Challenge

Questions 22-24: Logic Detective

System Rule: Safe unlocks (Q=1) if: Q = (CodeCorrect AND NOT LockedDown) OR MasterKey

22. If MasterKey is used (1), does it open?

23. Code Correct (1) but LockedDown (1). Open?

24. Which gate handles "NOT LockedDown"?