What's communication system and give to examples ?

A communication system is a set of devices and processes that enable the transmission and reception of information between two or more parties. It allows for the exchange of messages, data, or signals over a distance.

Two examples of communication systems are:

1. Telephone system: This system allows for voice communication between individuals over long distances. It consists of telephones, telephone lines, and switching equipment that connect callers to each other.

2. Internet: The internet is a global communication system that allows for the exchange of information, data, and multimedia content between users around the world. It includes various technologies such as email, websites, social media platforms, and instant messaging services.

Definition of Communication System

A communication system is a combination of devices and methods used to transmit information from a sender to a receiver over a transmission channel. It involves the encoding, transmission, decoding, and reception of messages.

Components of a Communication System

- Source: The device that generates the message
- Encoder: Converts the message into a signal suitable for transmission
- Transmission Channel: The medium through which the signal is transmitted (e.g., radio waves, optical fiber, wire)
- Decoder: Reconverts the signal into the original message
- Receiver: The device that receives the message

Examples of Communication Systems

1. Telephone System:

- Source: Telephone handset
- Encoder: Microphone (converts sound waves into electrical signals)
- Transmission Channel: Telephone wires
- Decoder: Earpiece (converts electrical signals into sound waves)
- Receiver: Telephone handset

2. Wireless Network System:

- Source: Smartphone or laptop
- Encoder: Wireless adapter (converts data into radio waves)
- Transmission Channel: Radio waves
- Decoder: Wireless adapter in the receiving device (converts radio waves into data)
- Receiver: Smartphone or laptop