Logic Gates and Boolean Operators

Submit

3. In a truth table for an AND gate with 2 inputs, how many output rows show HIGH?

1 row

2 rows

3 rows

4 rows

Submit

5. What is the Boolean expression for the OR operation of A and B?

A · B

A + B

A' + B'

A ⊕ B

6. Which law allows you to remove redundant terms in Boolean expressions?

De Morgan's Law

Absorption Law

Distributive Law

Complement Law

Submit

9. What is the output of an XNOR gate when both inputs are different?

HIGH

LOW

Undefined

Alternating

10. Which gate is called the universal gate because it can implement any logic function?

OR gate

XOR gate

NAND gate

NOT gate

11. Which logic gate produces a HIGH output only when all inputs are HIGH?

OR gate

AND gate

NOT gate

XOR gate

12. In a truth table, how many rows are needed for a 3-input logic gate?

3 rows

6 rows

8 rows

9 rows

13. Which Boolean property states that A + (B·C) = (A+B)·(A+C)?

Commutative property

Associative property

Distributive property

Absorption property

Submit

15. What does De Morgan's First Law state?

(A·B)' = A' + B'

(A+B)' = A'·B'

A + B = B + A

A·(B+C) = A·B + A·C

Submit

17. The NAND gate is the complement of which basic gate?

OR gate

AND gate

NOT gate

XOR gate

18. Which gate's output is HIGH only when inputs are different?

NAND gate

NOR gate

XOR gate

XNOR gate

Submit

20. What is the Boolean expression for the NOT operation applied to variable A?

A + B

A · B

A'

A ⊕ B

ITF+ Basic Logic Gates and Boolean Operators Quiz

1. The Boolean expression A·0 always equals ____.

2.

What first name or nickname would you like us to use?

2. The Boolean expression (A')' simplifies to ____.

3. In a truth table for an AND gate with 2 inputs, how many output rows show HIGH?

4. A logic gate with inverted output from an AND gate is called a ____.

5. What is the Boolean expression for the OR operation of A and B?

6. Which law allows you to remove redundant terms in Boolean expressions?

7. The commutative property of Boolean algebra states that A + B equals ____.

8. In Boolean algebra, A·A' equals ____.

9. What is the output of an XNOR gate when both inputs are different?

10. Which gate is called the universal gate because it can implement any logic function?

11. Which logic gate produces a HIGH output only when all inputs are HIGH?

12. In a truth table, how many rows are needed for a 3-input logic gate?

13. Which Boolean property states that A + (B·C) = (A+B)·(A+C)?

14. A NOR gate produces HIGH output only when ____.

15. What does De Morgan's First Law state?

16. In Boolean algebra, A + A equals ____.

17. The NAND gate is the complement of which basic gate?

18. Which gate's output is HIGH only when inputs are different?

19. An OR gate produces a HIGH output when ____.

20. What is the Boolean expression for the NOT operation applied to variable A?