Book excerpt: INTRODUCTION TO SYSTEMS” is a compulsory paper for the first year Diploma in Engineering & Technology. Syllabus of this book is strictly aligned as per model curriculum of AICTE, and academic content is amalgamated with the concept of outcome based education. Book covers five units- Internet Skills and Computer Basics, Operating Systems, HTML and CSS, open Office Tools. And information Security Best Practices. Each topic in units is written in each and lucid manner. Every unit contains a set of exercise at the end of each unit to test student’s comprehension. Some salient features of the book: l Content of the book aligned with the mapping of Course Outcomes, Programs Outcomes and unit Outcomes. l Practical are included with each unit for better understanding of the theoretical concepts. l Book Provides interesting facts and various activities pertaining to topic. QR Codes are used for additional E-resources, use of ICT, online code editors, online quiz etc. l Student and teacher centric subject materials included in balanced and chronological manner. l Figures, tables, source code for web programming, numerous examples and applications are included to improve clarity of the topics. l Objective questions, subjective questions and crossword exercise are given for practice of students after every chapter.