Sensors LANs WLANs Modems Network hubs Switches Routers Encryption Authentication Techniques Video Conferencing Viruses and Hacking ICTs Impact on Employment Impact of Using ICT for Online Shopping and Banking Reliability of Information on the Internet Security Issues Blogs Wikis Social Networking Sites Health Aspects Safety Aspects Modelling Applications Types of Processing Monitoring Barcodes ATMs Expert Systems Verification Validation Testing Data Implementation Documentation