Basic electronics, Computer Fundamentals & Identification, Desktop Hardware: Assembling of a PC. Different, kinds of OS networking, CMOS Setup, Installation & Configuration of FDD, HDD & DVD, Troubleshooting. Networking : Overview of Networking, Different Types of Topology, Network Architecture, Concept of HUB & Switch. Straight Cable, Cross Cable, IP V4, Peer to Peer Network Driver Sharing. CCTV design concepts Camera features & specifications Camera types Digital video recorder DVR networking Remote access (DDNS) IP cam & CCTV system VDP topology Outdoor station module Indoor module configuration.