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Introduction of Communication System Video Lecture | Crash Course: Electronic Communication Engineering (ECE) - Electronics and Communication Engineering (ECE)
FAQs on Introduction of Communication System Video Lecture - Crash Course: Electronic Communication Engineering (ECE) - Electronics and Communication Engineering (ECE)
| 1. What is a communication system? |  |
Ans. A communication system is a collection of hardware and software components that allows the transmission and reception of information between two or more locations. It involves the encoding, modulation, transmission, and decoding of signals to enable effective communication.
| 2. What are the main components of a communication system? | |
Ans. The main components of a communication system include a transmitter, a medium/channel, and a receiver. The transmitter converts the message into a suitable signal and sends it through the medium/channel. The receiver receives the signal and converts it back into the original message.
| 3. What is modulation in a communication system? | |
Ans. Modulation is the process of modifying a carrier signal to embed the information to be transmitted. It involves altering the amplitude, frequency, or phase of the carrier signal to represent the message signal. Modulation is essential to ensure efficient and reliable transmission of signals over long distances.
| 4. What is the role of a medium/channel in a communication system? | |
Ans. The medium/channel in a communication system provides the physical path for the transmission of signals between the transmitter and receiver. It can be a wired medium (such as copper wires or optical fibers) or a wireless medium (such as air or space). The choice of medium/channel depends on factors like distance, cost, bandwidth, and noise considerations.
| 5. What are the advantages of digital communication over analog communication? | |
Ans. Digital communication offers several advantages over analog communication. It provides better noise immunity, as digital signals can be accurately reconstructed even in the presence of noise. Digital signals can be easily processed, compressed, and encrypted, enabling efficient transmission and storage. Additionally, digital communication allows for multiple signals to be transmitted simultaneously, increasing the overall capacity of the communication system.
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Nov 22, 2024 Last updated |
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