It provides a thorough understanding of the subject and its applications. The book begins with an introduction to the basic features of a digital computer, number systems and binary arithmetic, Boolean algebra and logic gates, software, operating systems, and the internet. A major part of the book provides a detailed coverage of programming in C. It discusses the primary functions of compilers, linkers, and loaders, and provides an exhaustive coverage of concepts such as data types, control statements, arrays, strings, functions, pointers, structures, file systems, and command-line arguments. Case studies demonstrating the use of C in solving mathematical as well as real-life problems have also been presented. This edition also highlights C99 features wherever relevant in the text.