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What is the multiplexer in digital electronics?
A multiplexer is a combinational circuit that has 2n input lines and a single output line. Simply, the multiplexer is a multi-input and single-output combinational circuit. The binary information is received from the input lines and directed to the output line. A multiplexer is also treated as Mux.
What is an example of a multiplexer?
Multiplexer means many into one. 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.
What is the output of a multiplexer?
Multiplexer is a combinational circuit that has maximum of 2n data inputs, ‘n’ selection lines and single output line. One of these data inputs will be connected to the output based on the values of selection lines. Since there are ‘n’ selection lines, there will be 2n possible combinations of zeros and ones.
Where would a multiplexer be used in a digital system?
The multiplexer is used to improve the efficiency of the communication system using transmission data like transmission of audio as well as video. Demultiplexer gets the o/p signals from the Mux & changed them to the unique form at the end of the receiver.
What is the purpose of multiplexer?
A multiplexer makes it possible for several input signals to share one device or resource, for example, one analog-to-digital converter or one communications transmission medium, instead of having one device per input signal. Multiplexers can also be used to implement Boolean functions of multiple variables.
What is multiplexer and how it works?
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 function of multiplexer?
What are the inputs and outputs of a multiplexer?
There are various types of the multiplexer which are as follows: In 2×1 multiplexer, there are only two inputs, i.e., A 0 and A 1, 1 selection line, i.e., S 0 and single outputs, i.e., Y. On the basis of the combination of inputs which are present at the selection line S 0, one of these 2 inputs will be connected to the output.
How is binary information received in a multiplexer?
The binary information is received from the input lines and directed to the output line. On the basis of the values of the selection lines, one of these data inputs will be connected to the output. Unlike encoder and decoder, there are n selection lines and 2 n input lines.
How many selection lines does an 8 × 1 multiplexer have?
The 8 × 1 multiplexer has 3 selection lines, 4 inputs, and 1 output. The 2 × 1 multiplexer has only 1 selection line. For getting 16 data inputs, we need two 8 ×1 multiplexers. The 8 × 1 multiplexer produces one output. So, in order to get the final output, we need a 2 × 1 multiplexer.
How many multiplexers are needed for 8 × 1 circuit?
Logical circuit of the above expression is given below: We can implement the 8 × 1 multiplexer using a lower order multiplexer. To implement the 8 × 1 multiplexer, we need two 4 × 1 multiplexers and one 2 × 1 multiplexer. The 4 × 1 multiplexer has 2 selection lines, 4 inputs, and 1 output. The 2 × 1 multiplexer has only 1 selection line.