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4 to 1 MUX would have ____________(a) 1 output(b) 2 outputs(c) 3 outputs(d) 4 outputsI have been asked this question in class test.I need to ask this question from Multiplexers (Data Selectors) topic in section Combinational Circuits of Digital Circuits

Answer» RIGHT ANSWER is (a) 1 OUTPUT

The best explanation: 4 to 1 multiplexer would have 4 inputs (X0, X1, X2, X3), 2 select lines (C1, C0) and 1 output (M). It can be observed from this diagram:


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