Practice Objective - 4.2.1 | Lab Module 6: Design and Simulation of Basic Combinational CMOS Logic Gates (NAND/NOR) | VLSI Design Lab
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the output of a NAND gate with inputs A=1, B=0?

💡 Hint: Remember that NAND outputs low only for inputs both being high.

Question 2

Easy

Define a NOR gate.

💡 Hint: Think about the conditions for a high output.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What type of logic gate outputs low only when all inputs are high?

  • AND
  • NAND
  • NOR

💡 Hint: Consider the truth table of each gate.

Question 2

True or False: A NOR gate will always output a low signal if at least one input is high.

  • True
  • False

💡 Hint: Examine the conditions for a high output in the truth table.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a complex logic circuit with NAND and NOR gates, derive the output for all combinations of inputs and identify its main gate type.

💡 Hint: Systematically evaluate one input combination at a time.

Question 2

Refactor a NAND gate circuit to optimize its size while maintaining speed, and justify each sizing decision.

💡 Hint: Focus on balancing NMOS and PMOS widths for best performance.

Challenge and get performance evaluation