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Electronic Principles and Devices Quiz

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Questions and Answers

What is communication?

The physical medium on which the signal is carried
The process of sharing an idea or feeling between sender and receiver (correct)
The process of converting electrical signals into suitable form for transmission
The device that converts the message produced by a source

What is the function of an input transducer in a communication system?

Converts the electrical signal into a signal suitable for transmission over a given medium
Converts the message produced by a source to a form suitable for the communication system (correct)
Carries the electrical signal over the physical medium
Produces the message to be transmitted

What is the role of a transmitter in a communication system?

Carries the electrical signal over the physical medium
Converts the message produced by a source to a form suitable for the communication system
Converts the electrical signal into a signal suitable for transmission over a given medium (correct)
Produces the message to be transmitted

What does the transmission channel represent in a communication system?

The physical medium on which the signal is carried (C) Signup and view all the answers

Which block in a communication system converts the message produced by a source to a form suitable for the system?

Input Transducer (A) Signup and view all the answers

Which device is responsible for converting the electrical signal into a signal suitable for transmission over a given medium in a communication system?

Transmitter (A) Signup and view all the answers

What is the function of a receiver in electronic communication systems?

Signal amplification, demodulation, and filtering (A) Signup and view all the answers

In an ideal transmission, what is the output of the receiver like?

Scaled and possibly delayed version of the message signal (A) Signup and view all the answers

What is the role of an output transducer in electronic communication systems?

Converting electrical signal into the desired form by the system (A) Signup and view all the answers

What distinguishes an active transducer from a passive transducer?

Active transducers work on energy conversion principles without requiring a power source (C) Signup and view all the answers

Which of the following is an example of interference in electronic communication systems?

Radio wave (C) Signup and view all the answers

What are some challenges introduced by the channel in electronic communication systems?

Distortion, noise, and interference (B) Signup and view all the answers