Book excerpt: About the Book: Courses on Computer Concepts We cant neglect the fact that computer has become synonym of our life style. It will not be exaggerated if we say that there is no civilized life without computer. Keeping in view the importance of computer some states like U.P. have made the computer subject compulsory to take entry in Government Services. Some other states are also likely to announce it. In the states that have made computer science subject mandatory the course is decided by the competent authority. Keeping in view the demand of such course book we have published a book on the computer concepts. This book is named as Course on Computer Concepts. The book is strictly based on the latest syllabus and pattern laid by DOEACC. In this book we have covered all the topics like introduction of computer, MS Word, MS Excel, Presentation, spread sheets, MS Powerpoint, MS Access, Computer security, GUI based MS Dos, Window 7, XP, Internet etc. A Number of Sample Papers will Model Test Papers, MCQ and true-false related question given in the Book make us different and our product more valuable then the product of the same line available in the market. We hope this book will prove as boon to the aspirant.