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Questions and Answers
What are the three main parts of an electronic communication system?
What are the three main parts of an electronic communication system?
Transmitter, communication channel, receiver
Which of the following are barriers to human communication?
Which of the following are barriers to human communication?
- Noise
- Language barriers (correct)
- Distance barriers (correct)
- Cultural understanding
Communication systems only require a transmitter and receiver.
Communication systems only require a transmitter and receiver.
False (B)
What is the role of a transmitter in an electronic communication system?
What is the role of a transmitter in an electronic communication system?
What is meant by 'communication channel'?
What is meant by 'communication channel'?
Radio is an example of communication that uses wired media.
Radio is an example of communication that uses wired media.
What components does a receiver typically include?
What components does a receiver typically include?
What is a transceiver?
What is a transceiver?
The communication medium that allows signals to travel through the air is known as _____
The communication medium that allows signals to travel through the air is known as _____
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Study Notes
Introduction to Electronic Communication Systems
- Learning objectives include explaining the functions of electronic communication system components, discussing modulation and multiplexing, and defining the electromagnetic spectrum and its segments.
Significance of Human Communication
- Communication is the exchange of information, conveying thoughts, ideas, and feelings.
- Involves verbal, nonverbal, print, and electronic processes.
- Major barriers include language differences and distance; early humans communicated face-to-face.
Communication Systems Overview
- All systems consist of three main components: transmitter, communication channel/medium, and receiver.
- The message, referred to as information or intelligence signal, is transmitted as an electronic signal.
Components of Communication Systems
- Transmitter: Converts electrical signals to suitable transmission formats; includes oscillators, amplifiers, tuned circuits, modulators, and synthesizers.
- Communication Channel: Medium for signal transmission; includes wire conductors, fiber-optic cables, and free space (radio).
- Receiver: Accepts transmitted messages, converting them back to understandable forms; includes amplifiers, oscillators, filters, and demodulators.
Two-Way Communication
- Most electronic communication allows for two-way interaction, requiring both transmitters and receivers in systems known as transceivers.
- Transceivers integrate all circuits in a single housing, often sharing power supply circuits.
Types of Electronic Communication Systems
- Electronic communications can be classified based on their specific characteristics and applications.
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