Computer applications have gained significant importance in recent times, thanks to the growth and development of the electronic, communication, information technology, and computer industries. This book has been designed to serve as a comprehensive knowledge base while also helping readers understand the fundamentals of computer applications. In addition to explaining the basics, the book also covers data analysis using Ms-Excel, providing students with the opportunity to analyze their statistical research data.

The book begins with an introductory chapter that covers the basics of computers, including anatomy, generation, and classification. The chapter also discusses personal computers, booting, and viruses. The second chapter, "Operating Systems," describes disk operating systems and their commands. Chapter three, "Working in Windows," provides an overview of the Windows operating system. Chapter four covers word processing, including creating, saving, opening, and editing documents, as well as formatting options.

Chapter five introduces Ms-Excel and covers creating, editing, and saving documents. Chapter six explains mathematical functions and their use in Excel. Chapters seven and eight focus on data analysis using Excel, covering data analysis tools, tests, graphs, and ANOVA, with illustrated examples. Chapter nine introduces the reader to Ms-Access database. Chapter ten covers the basics of the internet, while chapter eleven discusses the concepts of flowcharts and algorithms.

In summary, this book provides readers with a comprehensive understanding of computer applications and the use of statistical tools in problem-solving. The book covers all the important topics related to computers and Excel, including data analysis, mathematical functions, and database management.

1. Introduction to Computers 2. Operating Systems 3. Working in Windows 4. Introduction to Word Processing 5. Microsoft-Excel (Ms-Excel) 6. Data Entry in Ms-Excel 7. Mathematical and Statistical Functions in Ms-Excel 8. Data Analysis Using MS-Excel 9. Graph Using Ms-Excel 10. MS Access 11. Internet: Concept and Basic Services 12. Flow Charts