Digital Electronics - Study Mode
[#81] Consider the multiplexer based logic circuit shown in the figure Which one of the following Boolean functions is realized by the circuit?
Correct Answer
(D) $${ ext{F}} = { ext{W}} oplus {{ ext{S}}_1} oplus {{ ext{S}}_2}$$
[#82] Simplify the Boolean function F(w, x, y, z) = Σ(1, 3, 7, 11, 15) And the don't care conditions: d(w, x, y, z) = Σ(0, 2, 5)
Correct Answer
(B) F' = zw' + yz
[#83] Two's complement of the binary number 10010100 is
Correct Answer
(B) 01101100
[#84] What is dual of A + [B + (AC)] + D
Correct Answer
(D) A[B(A + C)]D
[#85] A 4 : 1 multiplexer requires . . . . . . . . data selection line.
Correct Answer
(B) 2