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How many select lines are required for a 1-to-8 demultiplexer?(a) 2(b) 3(c) 4(d) 5I had been asked this question in an interview.The query is from Demultiplexers (Data Distributors) in portion Combinational Circuits of Digital Circuits |
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Answer» CORRECT answer is (b) 3 To explain: The formula for total no. of outputs is GIVEN by 2^n, where n is the no. of select lines. In this CASE n = 3 since 2^3 = 8. |
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