CS-401
Data Communication and Networking
Credit Hours 3
Prerequisite: Introduction to computing
Communication model. Concept of circuit switching, packet switching, frame relay and ATM. Introduction to Analogue and Digital signals. Transmission impairments. Nyquisit and sampling theorems. Guided & Unguided media and communication systems. Introduction to modulation, amplitude modulation, frequency and phase modulation. Concept of demodulation. Synchronous and Asynchronous transmission. Use of modems in transmission and reception of analog and digital data. Multiplexing and keying techniques. Introduction to HDLC. Error detection and correction techniques. The OSI model. LAN medium access protocols. CSMA/CD and token passing LAN hardware and standards, Topologies. thernet nd Token ring, network transport protocols. TCP/IP. Internet working device. WAN technologies & WAN devices.

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