Section outline

    1. Introduction to Computer networks, Topology, categories of networks, Internetwork, Internet, Network Models, Layered model, OSI and TCP/IP models, Physical layer, Switching - Circuit switching, Packet Switching and Message Switching, DTE - DCE Interface, EIA - 232 interface, X.21 modems.

    Textbook:

    Behurouz A Forozan, Introduction to Data Communications & Networking, TMH

    Expected outcome: After completing this unit you  learn about Basic Concept of Computer Network

    Assessment Criteria

    1. After completing the unit there will be questioning and viva session for this unit