Signals and Switches - General Questions Online Exam Quiz
Signals and Switches - General Questions GK Quiz. Question and Answers related to Signals and Switches - General Questions. MCQ (Multiple Choice Questions with answers about Signals and Switches - General Questions
Why does the TTL family use a totem-pole circuit on the output?
Options
A : It provides active pull-up.
B : It provides active pull-down.
C : It provides active pull-up and active pull-down.
D : -
What is the frequency of a clock waveform if the period of that waveform is 1.25 s?
Options
A : 8 kHz
B : 0.8 kHz
C : 0.8 MHz
D : 8 MHz
The hexadecimal number 4B 16 is transmitted as an 8-bit word in parallel. What is the time required for this transmission if the clock frequency is 2.25 MHz?
Options
A : 444 ns
B : 444 s
C : 3.55 s
D : 3.55 ms
Internally, a computer's binary data are almost always transmitted on parallel channels, commonly referred to as the:
Options
A : parallel bus
B : serial bus
C : data bus
D : memory bus
Why is parallel data transmission preferred over serial data transmission for most applications?
Options
A : It is much slower.
B : It is cheaper.
C : More people use it.
D : It is much faster.
With surface-mount technology (SMT), the devices should:
Options
A : utilize transistor outline connections
B : mount directly
C : have parallel connecting pins
D : require holes and pads
Why, in most applications, are transistor switches used in place of relays?
Options
A : They consume less power.
B : They are faster.
C : They are quieter and smaller.
D : all of the above
How long will it take to serially transmit the hexadecimal number C3 16 if the clock frequency is 1.5 MHz?
Options
A : 4.69 ms
B : 4.69 s
C : 5.33 ms
D : 5.33 s
The family of logic that is composed of bipolar junction transistors is ____.
Options
A : TTL
B : CMOS
C : DIP
D : BJT
What can a relay provide between the triggering source and the output that semiconductor switching devices cannot?
Options
A : total isolation
B : faster
C : higher current rating
D : total isolation and higher current rating
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