Introduction: Principle, evolution and telecommunication networks, National and International regulatory bodies. Basic elements of telecommunication, message source and bandwidth.
Transmission medium and impairments: Twisted pair cable, coaxial cable, wireless channel and electromagnetic spectrum, satellite channel and fibre optic cable, transmission impairment, noise and noise to signal ratio, transmission capacity.
Analogue and digital transmission, telephone apparatus, telephone exchanges, subscriber loop, supervisory tones, PSTN.
Switching systems: Introduction to analogue system, strowger and crossbar switching system, stored program controlled system (SPC), Digital switching system, space division switching, time division switching. Traffic analysis, traffic characterization, grade of service, network blocking probabilities, delay system and queuing.
Concepts of ICT: Definition, History, Objectives, Importance of ICT.
Network Communication: Definition, Types of network, Network Terminologies, Network devices' LAN Topology, Network Interface Cards and Protocols, WAN, Bandwidth.
Computer Hardware: Components of Microcomputer, Motherboard, Cards, Ports, Buses, Memory and Storage devices, Input and Output Devices, Computer Virus.
Computer Software: Definition, Classification, Relationship between Hardware and Software, System Software, Application Software, Package Programs, Firmware.