This module will help students to learn various Data Communication and networking concepts.
Data Communications: Components, Data Representation and Data flow; Networks: Distributed Processing, Network Criteria, Network Models, Categories of networks and Internetwork; Internet and Protocols and Standards.
Network Models: Layered tasks, the OSI model, Layers in the OSI Model, TCP/IP protocol Suit, Addressing.
Data and Signals: Analog and Digital Data, Analog and Digital Signals, Periodic and Non periodic Signals, Transmission impairment, Data rate limits and Performance.
Digital Transmission: Digital to Digital Conversion, Analog to Digital Conversion and Transmission modes
Multiplexing: FDM, WDM, Synchronous TDM and Statistical TDM.
Transmission Media: Guided media and Unguided media (Wireless Transmission).
Switching: Circuit switched networks, Datagram networks, Virtual Circuit networks and structure of a switch.
Error Detection and Correction: Introduction, Block coding, Linear block codes, cyclic codes, Checksum.
Data Link control : Framing, Flow and Error Control, Protocols, Noiseless channels, Noisy channels.