Digital Modulation Techniques
Authored by NOOR (PTSB)
Engineering
10th Grade
Used 2+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does ASK stand for in digital modulation?
Amplitude Signal Keying
Analog Shift Keying
Amplitude Shift Keying Modulation
Amplitude Shift Keying
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In Amplitude Shift Keying (ASK), which parameter of the carrier is changed?
Amplitude
Frequency
Phase
Bandwidth
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which modulation technique uses frequency changes to represent data?
Frequency Shift Keying (FSK)
Phase Shift Keying (PSK)
Pulse Width Modulation (PWM)
Amplitude Modulation (AM)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How does FSK differ from ASK in terms of signal representation?
FSK and ASK both use amplitude variations for signal representation.
FSK uses frequency variations for signal representation, while ASK uses amplitude variations.
FSK uses phase variations for signal representation, while ASK uses frequency variations.
FSK uses voltage variations for signal representation, while ASK uses frequency variations.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quadrature Amplitude Modulation (QAM) is a combination of:
ASK and PSK
FSK and AM
ASK and FSK
PSK and FSK
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which digital modulation technique uses two different frequencies to represent binary data?
ASK
PSK
FSK
QAM
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is not a digital modulation technique?
Amplitude Shift Keying (ASK)
Frequency Shift Keying (FSK)
Phase Shift Keying (PSK)
Amplitude Modulation (AM)
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