The immense popularity of the first edition of this book by the faculty members and students of various colleges has resulted in publishing the Second Edition, with the new Chapters 11 and 13, now in all15 chapters, systematically organized for the better understanding of the subject in building strong fundamentals of computer and its applications. Features • In Chapter 11 Programming Language C is discussed • Chapter 13 deals with Application software This expanded edition will definitely be more helpful to the students. Contents 1. Introduction to Computers 2. History of Computer 3. Classification of Computers 4. Number System 5. The System Concept 6. Fundamentals of Operating System 7. Computer Languages 8. Concept of Programming 9. Networks 10. Data Structure 11. Programming Language 'C' 12. BASIC Programming Language 13. Application Software 14. Introduction to Computer Graphics 15. Applications of Computers in Pharmaceutical and Clinical Studies