Combinational Circuits – Exercise – 6

256. How many select lines would be required for an 8-line-to-1-line multiplexer?

(a) 2
(b) 3
(c) 4
(d) 8

257. One application of a digital multiplexer is to facilitate:

(a) data generation
(b) serial-to-parallel conversion
(c) parity checking
(d) data selector

258. A basic multiplexer principle can be demonstrated through the use of a:

(a) single-pole relay
(b) DPDT switch
(c) rotary switch
(d) linear stepper

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