I need help with these two questions, they\'re part of my Digital Design class.

Question

I need help with these two questions, they're part of my Digital Design class.

Question 19

Assume a 8x1 multiplexer’s data inputs have the following present values: i0=0, i1=1, i2=0, i3=0, i4=0, i5=0, i6=0, i7=0. What should be value of the select inputs s2, s1 and s0 for the value on the multiplexer’s output d to be 1?
s2= ?

s1= ?

s0= ?

Question 20

Assume a 8x1 multiplexer’s data inputs have the following present values: i0=0, i1=0, i2=0, i3=1, i4=0, i5=0, i6=0, i7=0. What should be value of the select inputs s2, s1 and s0 for the value on the multiplexer’s output d to be 1?
s2= ?

s1= ?

s0= ?

Note: fill out the blanks with either 0 or 1.

Explanation / Answer

19)input line i1 is the only 1 in the input lines so we need to select i1 line for that s2=0,s1=0,s0=1.

20)input line i3 is the only 1 in the input lines so we need to select i3 line for that s2=0,s1=1,s0=1.

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