This book will provide the information about PC Hardware for the students to a personal computer and its basic peripherals, the process of assembling a personal computer, installation of system software like MS Windows, Linux and the required device drivers. In addition hardware and software level troubleshooting processes, tips and tricks would be covered. Internet & World Wide Web module for the different ways of hooking the PC on to the internet from home and workplace and effective usage of the internet. Usage of web browsers, email, newsgroups and discussion forums would be covered. In addition, awareness of cyber hygiene, i.e., protecting the personal computer from getting infected with the viruses, worms and other cyber-attacks would be introduced. Productivity tools module for the students in crafting professional word documents, excel spreadsheets, powerpoint presentations and personal websites using the Microsoft suite of office tools and LaTeX.