
113.Q1.F
Quiz
•
Professional Development
•
University
•
Practice Problem
•
Hard
Lucilyn Borja
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In ________, the amplitude of the carrier signal is varied to create signal elements. Both frequency and phase remain constant.
PSK
ASK
FSK
QAM
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many carrier frequencies are used in BPSK?
0
1
2
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
AM and FM are examples of ________ conversion.
analog-to-analog
digital-to-digital
analog-to-digital
digital-to-analog
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analog-to-analog conversion is needed if the available bandwidth is _______.
band-pass
low-pass
either of the two
neither of the two
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In _____ transmission, the frequency of the carrier signal is modulated to follow the changing voltage level (amplitude) of the modulating signal. The peak amplitude and phase of the carrier signal remain constant, but as the amplitude of the information signal changes, the frequency of the carrier changes correspondingly.
AM
FM
PM
TM
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a digital-to-analog conversion?
FSK
ASK
AM
PSK
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_______ conversion is the process of changing one of the characteristics of an analog signal based on the information in the digital data.
analog-to-analog
digital-to-digital
digital-to-analog
analog-to-digital
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