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Logic Gates Fundamentals

This worksheet covers the basics of logic gates, including their symbols, truth tables, and applications.

Grade 9 Science PhysicsLogic Gates
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Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerCustom

Standards

NGSS.HS-PS4-5

Topics

logic gatesdigital electronicsboolean algebrasciencephysics
7 sections · Free to use · Printable
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Logic Gates Fundamentals

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Read each question carefully and answer to the best of your ability. Show all your work where applicable.

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

a

OR gate

b

AND gate

c

NOT gate

d

XOR gate

2. The output of a NOT gate is the   of its input.

a

same as

b

complement of

c

sum of

d

product of

3. A logic gate is an elementary building block of a   circuit.

4. The two states used in digital logic are typically represented by 0 and  .

5. The output of an OR gate is HIGH if   or more of its inputs are HIGH.

6. A NAND gate is an AND gate followed by a NOT gate.

T

True

F

False

7. An XOR gate produces a HIGH output when its inputs are identical.

T

True

F

False

8. Draw the symbol for an AND gate and complete its truth table.

Truth Table:

9. Explain the difference between a universal gate and a basic logic gate. Give an example of a universal gate.

10. Consider the following circuit diagram:

Logic Gates Circuit Diagram

If input A is HIGH and input B is LOW, what will be the output of the circuit?