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76
Chapter 2
The Logic of Compound Statements
Exercise
Set
2.4
Give the output signals for the circuits in 14 if the input signals
18.
are as indicated.
R
input signals:
P
=
1
and
Q
=
1
2.
p
Q
R
19.
"P~
S
AND
:~OR
input signals:
P
=
I,
Q
=
0,
R
=
0
4. P
Q
s
20.
R
In 58, write an input/output table for the circuit in the refer
enced exercise.
5. Exercise 1
6. Exercise 2
7. Exercise 3
8. Exercise 4
In 912, find the Boolean expression that corresponds to the cir
cuit in the referenced exercise.
.
21.
9. Exercise I
10. Exercise 2
11. Exercise 3
12. Exercise 4
Construct circuits for the Boolean expressions in
1317.
13.
~P
v
Q
14.
~(P
v
Q)
15. P
v
(~P
/\
~Q)
16. (P
/\
v
~R
17. (P
v
(~P
R)
For each of the tables in 1821, construct (a) a Boolean expres
sion having the given table as its tfllth table and (b) a circuit
having the given table as its input/output table.
Q
1.
p

\
input signals:
P
=
1
Q
=
0
P
Q
R
S
1
1
1
I
1
I
0
0
1
0
1
0
0
1
0
0
0
0
0
0
I
1
0
0
I
0
I
0
1
0
0
0
P
Q
R
S
I
I
1
0
1
1
0
I
I
0
I
0
1
0
0
1
0
I
I
0
0
1
0
I
0
0
I
0
0
0
0
0
P
Q
R
S
1
1
1
1
0
I
I
0
0
I
1
0
1
0
I
1
0
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 Spring '08
 WOUTERS
 Logic, Algebra

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