## How many 2 1 multiplexers are needed to implement a 3 input NAND gate?

So, we need at least two 2:1 muxes to implement 3-input AND gate. The mux closest to output can have A connected to the select, data0 input can be connected to ‘0’.

How many two input NAND gate are required to perform the action of a two input OR gate and its draw?

The answer is 3 NAND gates.

How do you make 3 input AND gate from 2 input AND gate?

Start by building the 2-input AND block from the last experiment, but plug the output of that into the input of another AND. Then add an Input Block to the second AND’s second input. Complete the circuit by adding a Power Block to the output of the second AND.

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### What are the minimum number of 2 1 mux required to implement a 2-input OR gate and a 2-input EX NOR gate respectively?

Implementation of NAND, NOR, XOR and XNOR gates requires two 2:1 Mux.

How does a mux work?

A multiplexer is a system of multiple inputs and just one output to receive signals coming from multiple acquisition networks. The device transfers all input signals to a microprocessor, which receives and processes the data, transmits it to the output devices, and controls the system as a whole.

What is the number of 2-input gates in a typical AND gate IC?

It contains four independent gates each of which performs the logic or function. Each gate has two inputs that’s why it is named Quad 2-input or Gate. Logic level gates like 74LS32 and flip-flops play a vital role in digital electronics.

## What is the truth table for a NAND gate?

The truth table of the NAND gate is given below: From the truth table of the gate, it is clear that all the inputs must be high to get a low output and if any of the input is low, the output obtained will be high. If any one of the input is also high the output will be high that is 1.

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Why NAND gate is universal gate?

The NAND gate and the NOR gate can be said to be universal gates since combinations of them can be used to accomplish any of the basic operations and can thus produce an inverter, an OR gate or an AND gate. The non-inverting gates do not have this versatility since they can’t produce an invert.

What is the difference between and gate and NAND gate?

Difference Between AND Gate and NAND Gate. AND and NAND both are logic gates in basic computer Architecture. In Boolean algebra AND and NAND do the same operation but the output in NAND is opposite of and AND gate. NAND gate is equivalent to combination of AND gate and a NOT gate.

### What is the use of a NAND logic gate?

NAND and NOR logic gates are known as universal gates because they can implement any boolean logic without needing any other gate. They can be used to design any logic gate too. Moreover, they are widely used in ICs because they are easier and economical to fabricate. How to design all gates using NAND and NOR logic gates?

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