NAND & NOR Gate Video Lecture | Crash Course: Computer Science Engineering (CSE)

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1. What is a NAND gate and how does it function?
Ans. A NAND gate is a logic gate that produces an output that is the inverse of the logical AND operation. It has two or more inputs and a single output. The output of a NAND gate is HIGH only when all the inputs are LOW. Otherwise, the output is always LOW.
2. What is a NOR gate and how does it work?
Ans. A NOR gate is a logic gate that produces an output that is the inverse of the logical OR operation. It has two or more inputs and a single output. The output of a NOR gate is LOW only when all the inputs are HIGH. Otherwise, the output is always HIGH.
3. What are the applications of NAND and NOR gates?
Ans. NAND and NOR gates are fundamental building blocks in digital logic circuits. They are used in various applications such as binary arithmetic, memory units, multiplexers, and data processing circuits. They are also utilized in the design of microprocessors and computer systems.
4. Can NAND and NOR gates be used interchangeably?
Ans. Yes, NAND and NOR gates can be used interchangeably to implement any logic function. This is known as De Morgan's theorem, which states that any logical expression can be represented using only NAND gates or only NOR gates. Therefore, NAND and NOR gates are functionally complete.
5. How do NAND and NOR gates differ from each other?
Ans. The main difference between NAND and NOR gates lies in their output behavior. A NAND gate produces a LOW output only when all inputs are HIGH, while a NOR gate produces a HIGH output only when all inputs are LOW. Additionally, NAND gates are more commonly used in digital circuits due to their versatility and simplicity in implementation.
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