18 Questions
Which component is responsible for converting the input message into a form suitable for transmission?
Transmitter
What is the process of systematically varying an attribute of the carrier signal called?
Modulation
Which component is considered the weakest link in a communication system?
Channel
Which component is responsible for converting the received signal back into a usable form?
Receiver
What type of signal has an infinite number of possible values?
Analog
Which of the following is NOT a typical input transducer?
Receiver
Which of the following is not a function of the output transducer in a communication system?
Amplifying the received signal
What is the primary purpose of the receiver in a communication system?
To extract the desired message from the received signal
Which modulation technique varies the frequency of the carrier signal to represent the information?
Frequency Modulation (FM)
What is the primary function of the transmitter in a communication system?
To modulate the message signal onto a carrier signal
Which of the following is not a type of waveform used in analog signal representation?
Binarywave
What is the primary function of the channel or medium in a communication system?
To provide a path for the signal to propagate from the transmitter to the receiver
What is the primary purpose of a transducer in a communication system?
To convert information from one form to another
Which modulation technique is commonly used for AM radio broadcasting?
Amplitude modulation (AM)
In a full-duplex communication system, what is the primary advantage compared to a simplex system?
Simultaneous two-way communication
What is the primary advantage of using parallel transmission over serial transmission?
Higher data transfer rates
Which of the following is an example of a half-duplex communication system?
Walkie-talkie communication
What is the purpose of the electromagnetic spectrum in communication systems?
To define the range of frequencies used for transmission
Test your knowledge on digital signal processing concepts such as codecs, digital signal terminologies, ASCII, EBCDIC, and more. Learn about how digital signals convey information between a sender and receiver.
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