UNIT-1 Computer Basic Introduction History of Computer Types of Computer Generations of Computer Basic Components of PC UNIT-2 Hardware and Software : Introduction Types of Software Input Devices, Output Devices Relationship between Hardware and Software RAM, ROM UNIT-3 Network, Security and Networking LAN SAN,CAN,WAN,MAN Topology ( Ring, Star, Bus, Mesh ) Digital Piracy Management Cyber Security / Cyber Laws Internet Information, Internet Service Difference Between Internet, Extranet, Ethernet UNIT-4 Windows ( latest version) : Introduction, Features, Installation, Activation, Security, Features MS Word with all the applications and uses UNIT-5 Excel (latest version) : Introduction, Filter, Commands for Excel Power-Point: Introduction, Creating a Presentation Using Templates, Inserting Charts, Inserting Tables