NEB Computer Grade XII Chapter 2 (Data Communication and Networking)
Data Communication and Networking Learning Objectives: · Describe the communication system with its basic elements and model. · Describe the data communication with its elements and mode. · Define and apply LAN and WAN. · Describe transmission medium and use it. · Define terminologies for transmission impairments. · Introduce network architecture. · Define basic terms and tools used in computer network. · Define network tools, devices and topologies and use them. · State the concept of OSI Reference Model and Internet Protocol ...