25
Figure 3I. Logic circuit.
IN ANSWERING QUESTIONS 3-41
THROUGH 3-45, REFER TO FIGURE 3I.
3-41. What is the output expression for gate
105?
1.
(
)
V
T
(
)
RS
+
+
2.
RSTV
3.
)
V
T
)(
RS
(
+
4.
)
V
T
(
)
RS
(
+
+
3-42. Which of the following gates provides a
common output to two other gates?
1.
101
2.
102
3.
104
4.
106
3-43. Which of the following expressions
represents the output of gate 106?
1.
TV
X
W
2.
V
T
X
W
+
+
+
3.
)
X
W
(
)
TV
(
+
4.
)
X
W
(
V)
(T
+
+
3-44. Which of the following conditions will
cause gate 107 output to be HIGH?
1.
Gate 106 is LOW; Y and Z are
HIGH
2.
Gate 106 is LOW; Y is HIGH, Z is
LOW
3.
Gate 106 is HIGH; Y and Z are
LOW
4.
Gate 106 is HIGH; Y is LOW, Z is
HIGH
3-45. What is the output expression for gate
107?
1.
)
Z
Y
)(
X
W
TV
(
+
+
2.
(
X
W
V
T
+
+
+
)(YZ)
3.
((T+V)+( W +X))( YZ )
4.
)
Z
Y
)(
X
W
)(
V
T
(
+
+
3-46. Boolean algebra is used primarily by
which of the following groups?
1.
Fabricators
2.
Technicians
3.
Design engineers
4.
Repair personnel
