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Electronic Devices & Communication System Class 12 Notes Physics

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FAQs on Electronic Devices & Communication System Class 12 Notes Physics

1. What are electronic devices?
Ans. Electronic devices are devices that use electronic components, such as transistors and integrated circuits, to manipulate and control electrical signals. They can perform various functions, including processing data, amplifying signals, and storing information.
2. How do electronic devices work?
Ans. Electronic devices work by utilizing the principles of electronics, which involves the flow of electrical currents through circuits. These devices use components like resistors, capacitors, and transistors to control and manipulate the flow of these currents, allowing them to perform specific functions.
3. What is a communication system?
Ans. A communication system is a system that allows the exchange of information or messages between two or more parties. It typically consists of a transmitter, a channel through which the signal is transmitted, and a receiver. Examples of communication systems include telephones, radios, and the internet.
4. How do communication systems work?
Ans. Communication systems work by encoding information into a suitable format, transmitting it through a medium (such as wires or wireless signals), and then decoding it at the receiver's end. The transmitter converts the information into signals, which are then transmitted through a channel and received by the receiver. The receiver decodes the signals and converts them back into the original information.
5. What are the advantages of electronic devices and communication systems?
Ans. Electronic devices and communication systems offer several advantages. They allow for faster and more efficient processing of information, enabling tasks to be completed more quickly. They also enable long-distance communication, connecting people across the globe. Additionally, electronic devices can be miniaturized, making them portable and convenient for everyday use.
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