Practice Procedure - 4.4.2 | 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 does CMOS stand for?

💡 Hint: Think about the components used in this technology.

Question 2

Easy

List the two types of transistors used in CMOS logic gates.

💡 Hint: Both are types of field-effect transistors.

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 is the primary function of a NAND gate?

  • Outputs true if all inputs are true
  • Outputs false if any input is true
  • Outputs true only if no inputs are true

💡 Hint: Refer to the properties of NAND in its truth table.

Question 2

True or False: The NOR gate is faster than the NAND gate when driving equal loads.

  • True
  • False

💡 Hint: Think about the series vs. parallel configurations.

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Challenge Problems

Push your limits with challenges.

Question 1

Given a load of 50 fF, what would be the considerations for sizing the NMOS and PMOS transistors in a NAND gate? Explain with calculations.

💡 Hint: Utilize known ratios for optimal drive capabilities and incorporate logical effort.

Question 2

Discuss the impacts of increasing the number of inputs on the performance of NAND gates. How does this relate to propagation delay?

💡 Hint: Consider how series connections affect speed and effectively increases logical effort.

Challenge and get performance evaluation