Amplitude Modulation

What does the term "AM" stand for in modulation?

• Amplitude Modulation

• Analog Modulation

• Ample Modulation

• Automated Modulation

In AM modulation, what parameter is varied to carry the information signal?

• Frequency

• Amplitude

• Phase

• Wavelength

Which of the following is a common example of an AM signal?

• FM Radio

• AM Radio

• Satellite TV

• Mobile Phone

What is the primary purpose of modulation in communication systems?

• To increase signal power

• To carry information over a distance

• To reduce signal clarity

• To decrease bandwidth

What is a carrier signal in modulation?

• The signal containing the message to be transmitted.

• The resultant signal after modulation.

• An empty signal used to carry the modulated signal.

• A signal that reduces the bandwidth of the message signal.

What is the modulated signal in the context of modulation?

• The message signal before modulation.

• The carrier signal before modulation.

• The signal used for transmission.

• The combination of the modulating signal and the carrier signal after modulation.

Which of the following is NOT an advantage of implementing modulation in communication systems?

• Reduced antenna size.

• No signal mixing.

• Decreased communication range.

• Improved reception quality.

Which of the following statements is true about modulation?

• Modulation decreases the strength of the message signal.

• Modulation is only used in wireless communication systems.

• Modulation changes the carrier signal's parameters to convey information.

• Modulation is unnecessary in communication systems.

Which of the following shows a modulated signal?

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Computer the bandwidth:
f_USB = 610kHz and f_LSB = 590kHz

• 10Hz

• 10kHz

• 20kHz

• 20Hz