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QUESTION 2

Suppose you are creating a truth table with 3 inputs (a, b, andc) and 1 output (F). If an 'x' symbol indicates \"don't care\" (thevalue of the input does not effect the output), how many inputcombinations are covered by the single row of a truth table shownbelow?

a	b	c	F
x	1	x	1

	-	1
	-	2
	-	3
	-	4
	-	None of the above

QUESTION 3

Suppose you have a 4x1 multiplexer (MUX) whose inputs are shownbelow in a single row of a truth table. The inputs i0 -i3 are data inputs and s0 and s1 areselector bits. What Boolean value will the data output, d,be for this row?

i3	i2	i1	i0	s1	s0	d
1	1	0	1	0	1	?

	-	0
	-	1
	-	2
	-	3

QUESTION 4

Suppose you have a 4x1 multiplexer (MUX) whose inputs are shownbelow in a single row of a truth table. The inputs i0 -i3 are data inputs and s0 and s1 areselector bits. What Boolean value will the data output, d,be for this row?

i3	i2	i1	i0	s1	s0	d
1	1	0	1	0	0	?

-		0
-		1
-		2
-		3

QUESTION 5

Suppose you have a 4x1 multiplexer (MUX) whose inputs are shownbelow in a single row of a truth table. The inputs i0 -i3 are data inputs and s0 and s1 areselector bits. What Boolean value will the data output, d,be for this row?

i3	i2	i1	i0	s1	s0	d
0	0	0	1	1	0	?

-		0
-		1
-		2
-		3

QUESTION 6

Suppose you have a 4x1 multiplexer (MUX) whose inputs are shownbelow in a single row of a truth table. The inputs i0 -i3 are data inputs and s0 and s1 areselector bits. What Boolean value will the data output, d,be for this row?

i3	i2	i1	i0	s1	s0	d
0	1	1	1	1	1	?

-		0
-		1
-		2
-		3

QUESTION 7

Suppose you have a 4x2 priority encoder whose inputs are shownbelow in a single row of a truth table. The inputs d3 -d0 are inputs and e1 and e0 are outputbits. What value will the data outputs, e1 ande0, be for this row (assume d3 is the highestpriority input and results in the largest encoded value)?

d3	d2	d1	d0
0	1	1	1

-		e1 e0 0 0
-		e1 e0 0 1
-		e1 e0 1 0
-		e1 e0 1 1

QUESTION 8

Suppose you have a 4x2 priority encoder whose inputs are shownbelow in a single row of a truth table. The inputs d3 -d0 are inputs and e1 and e0 are outputbits. What value will the data outputs, e1 ande0, be for this row (assume d3 is the highestpriority input and results in the largest encoded value)?

d3	d2	d1	d0
0	0	0	1

-		e1 e0 0 0
-		e1 e0 0 1
-		e1 e0 1 0
-		e1 e0 1 1

QUESTION 9

Select all of the minterms that will be in the Boolean equationthat describes the output, f, in the following truth table(a, b, and c are inputs).

a	b	c	f
0	0	0	1
0	0	1	0
0	1	0	0
0	1	1	1
1	0	0	1
1	0	1	0
1	1	0	0
1	1	1	1

	-	a'b'c'
	-	a'b'c
	-	a'bc'
	-	a'bc
	-	ab'c'
	-	ab'c
	-	abc'
	-	abc