# What are 4 inputs of the MUX?

## What are 4 inputs of the MUX?

In the 4×1 multiplexer, there is a total of four inputs, i.e., A0, A1, A2, and A3, 2 selection lines, i.e., S0 and S1 and single output, i.e., Y. On the basis of the combination of inputs that are present at the selection lines S0 and S1, one of these 4 inputs are connected to the output.

## What is the number of data inputs in 4×1 multiplexers?

4 data inputs
We know that 4×1 Multiplexer has 4 data inputs, 2 selection lines and one output.

How do you write a MUX equation?

We can confirm this in the following Boolean expression.

1. Q = A.I0.I1 + A.I0.I1 + A.I0.I1 + A.I0.I1
2. Q = A.I1 + A.I0
3. The Boolean expression for this 4-to-1 Multiplexer above with inputs A to D and data select lines a, b is given as:
4. Q = abA + abB + abC + abD.

### How much input and output is needed for multiplexer?

De-multiplexer: De-multiplexer is a device that has a signal inputs line and multiple line outputs. The given figure has one input and two outputs. Hence it is De-multiplexer.

### How many 4x MUXS are needed for 128 1 mux?

You can, of course, use larger multiplexers to reduce the number of components, but the principle is the same. We require 170 4:1 Multiplexers and an OR gate to generate a 512:1 Multiplexer. This is found just by divideing 512 by 4 and just adding the quotients… 512/4 = 128.

How many and gates are required for the construction of a 4-to-1 multiplexer?

Explanation: There are two NOT gates required for the construction of 4-to-1 multiplexer. x0, x1, x2 and x3 are the inputs and C1 and C0 are the select lines and M is the output.

## What is 2×1 multiplexer?

A 2-to-1 multiplexer consists of two inputs D0 and D1, one select input S and one output Y. Depending on the select signal, the output is connected to either of the inputs. Since there are two input signals, only two ways are possible to connect the inputs to the outputs, so one select is needed to do these operations.

## How many 4x MUXS are needed for 128 1 MUX?

What is multiplexer with example?

A multiplexer is a circuit used to select and route any one of the several input signals to a single output. A simple example of an non-electronic circuit of a multiplexer is a single pole multi-position switch. Multi-position switches are widely used in many electronics circuits.

### How many NOT gates are required for the construction of a 4 to 1 multiplexer?

two NOT gates
Explanation: There are two NOT gates required for the construction of 4-to-1 multiplexer. x0, x1, x2 and x3 are the inputs and C1 and C0 are the select lines and M is the output.