Introduction to Networks: Computer Networks, Network goals, Network Topologies, Switching: Message, Circuit and Packet switching, Introduction to standard organizations and OSI Models, Layers of OSI model. Internetworking with TCP/IP, TCP/IP Protocols: TCP, UDP&IP, IP-Addresses, Transmission media: Magnetic media, Twisted pair, Coaxial cables, Fiber Optics etc. Radio and Microwave transmission, Satellite Communication. Introduction to Data communication: Fundamentals of data transmission, Channel speed and bit rates, Bandwidth, digital and analog signals, Asynchronous and Synchronous Transmission, Modulation, Multiplexing, TDM, FDM, and STDM.