Computer hardware and networking is one the most demanding and highly paid domain in IT industry. This is a one year course divided into four modules. Module 1 explains about analog and digital electronics, operating systems and their installation & assembling. Module 2 covers troubleshooting and maintenance of peripheral devices, computer architecture and conventional encryption. Module 3 teaches the fundamentals of computer networking, public key cryptography and number theory. Module 4 covers Networking and security, IP security, E-mail security and web security. All the modules have separate lab sessions and project work.