The course aims to facilitate clearconceptual understanding of the subject and to provide adequate practical experience of working with various information technology tools. The contents of this book include the basics of information technology, operating systems and office tools, with special sections on IT applications and the societal impact of IT. Under office tools, word processing, presentation software and spreadsheets are dealt with in detail. This revised edition is based on Windows 7 (Professional Edition) and MS Office 2013. Besides this upgradation, the highlight of this revised edition is the special section on corresponding OpenOffice software at the end of relevant chapters.