Chapter Overview
This chapter focuses on the core concepts of data communication, including how data is transmitted between devices, various types of communication mediums and modes, and the protocols that govern data transfer. It introduces students to basic network components, transmission types, switching techniques, and the OSI reference model, helping build foundational understanding for modern communication systems.
Important Keywords
- Data Communication: The exchange of data between devices through a transmission medium.
- Sender: The device that sends the data.
- Receiver: The device that receives the data.
- Transmission Medium: The physical path through which data is transmitted.
- Protocol: A set of rules that govern data communication.
- Bandwidth: The range of frequencies used for data transmission.
- Latency: Time delay during data transmission.
Detailed Notes
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