Electronic Principles and Devices: Communication Systems Quiz

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What is communication?

The process of transmitting data without understanding

The process of creating a message without sharing it

The process of receiving messages without comprehension

The process of transmission of an idea or feeling so that the sender and receiver share the same level of understanding (correct)

What does an input transducer do in a communication system?

Amplifies the communication signals

Blocks the communication signals

Generates random noise in the communication system

Converts the message produced by a source to a form suitable for the communication system (correct)

What are the sources for an input transducer in a communication system?

Mechanical only

Auditory only

Analog or digital (correct)

Visual only

Which unit of study covers Introduction to Communication Systems?

Unit 4 - Class 56 Signup and view all the answers

In a communication system, what example does the input transducer convert?

Speech, music, written text Signup and view all the answers

What constitutes a communication system?

Input Transducer, Message, Transmitter, Channel, Receiver, Output Transducer Signup and view all the answers

Which device converts the electrical signal into a signal suitable for transmission over a given medium?

Transmitter Signup and view all the answers

What is the physical medium on which the signal is carried known as?

Transmission channel Signup and view all the answers

What type of transducer requires an external power source for its operation?

Passive transducer Signup and view all the answers

What is the process of changing the carrier signal characteristics according to the message signal called?

Modulation Signup and view all the answers

What type of modulation involves varying the amplitude of the carrier according to the message?

Amplitude Modulation (AM) Signup and view all the answers

Which type of modulation involves varying the frequency of the carrier according to the message?

Frequency Modulation (FM) Signup and view all the answers

In an ideal transmission, what is the receiver output?

Scaled and delayed version of the message signal Signup and view all the answers

Which electronic component converts electrical signals into a desired form by the system?

Transducer Signup and view all the answers

What type of modulation is Amplitude Shift Keying (ASK)?

Digital Modulation Signup and view all the answers

What does a passive transducer require for its operation?

External power source for their operation Signup and view all the answers

Electronic Principles and Devices: Communication Systems Quiz

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