E6C TTL digital integrated circuits;
CMOS digital integrated
circuits; gates
E6C01
(C)
What is
the recommended power supply voltage for TTL series integrated circuits?
A. 12 volts
B. 1.5 volts
C. 5 volts
D. 13.6 volts
E6C02
(A)
What
logic state do the inputs of a TTL device assume if they are left open?
A. A high-logic state
B. A low-logic state
C. The device becomes randomized and will not
provide consistent high or low-logic states
D. Open inputs on a TTL device are ignored
E6C03
(A)
What
level of input voltage is high in a TTL device operating with a 5-volt power
supply?
A. 2.0 to 5.5 volts
B. 1.5 to 3.0 volts
C. 1.0 to 1.5 volts
D. -5.0 to -2.0 volts
E6C04
(C)
What
level of input voltage is low in a TTL device operating with a 5-volt
power-supply?
A. -2.0 to -5.5 volts
B. 2.0 to 5.5 volts
C. 0.0 to 0.8 volts
D. -0.8 to 0.4 volts
E6C05
(B)
What is
one major advantage of CMOS over other devices?
A. Small size
B. Low power consumption
C. Low cost
D. Ease of circuit design
E6C06
(C)
Why do
CMOS digital integrated circuits have high immunity to noise on the input
signal or power supply?
A. Larger bypass capacitors are used in CMOS
circuit design
B. The input switching threshold is about two
times the power supply voltage
C. The input switching
threshold is about one-half the power supply voltage
D. Input signals are stronger
E6C07
(A)
In
Figure E6-2, what is the schematic symbol for an AND gate?
A. 1
B. 2
C. 3
D. 4
E6C08
(B)
In
Figure E6-2, what is the schematic symbol for a NAND gate?
A. 1
B. 2
C. 3
D. 4
E6C09
(B)
In
Figure E6-2, what is the schematic symbol for an OR gate?
A. 2
B. 3
C. 4
D. 6
E6C10
(D)
In
Figure E6-2, what is the schematic symbol for a NOR gate?
A. 1
B. 2
C. 3
D. 4
E6C11
(C)
In
Figure E6-2, what is the schematic symbol for a NOT gate?
A. 2
B. 4
C. 5
D. 6