Informatics Practices with Python for class XI has been designed to help students acquire skills as needed by the industry. This question bank covers the entire syllabus as framed by CBSE, dealing with the following topics - Understanding the working of various components of the Computer System, creating applications in Python using programming concepts, basic data structures like Lists, Strings, Dictionaries and the data analytics library (NumPy), working with RDBMS (using MySQL) and understanding societal, legal and ethical aspects of technology as well as Cyber safety and security. The book has been designed with a view to help the students quickly review the theory portions and apply the same in the ensuing practice activities. Highlight of the book is a large number of a variety of solved and unsolved problems giving ample scope for the students to master the subject. Features l In each and every chapter, important concepts are given an introduction providing a clear outline of the concept. l Appropriate and easy to understand examples. l Sufficient number of graded exercises for each chapter with solutions. l Each chapter provides tested, debugged and error-free codes with screen shots. l Queries have been chosen in accordance with the syllabus. l Adequate number of illustrations as required. About the Authors Girija Nagarajan is a senior faculty in the Department of Computer Sciences of a prestigious School in Bangalore. She is an Engineering graduate with corporate background in Information Science but took to her first passion Teaching, out of love for the profession and has over 25 years of experience teaching Computer Science to students of grades 11 and 12. Girija Nagarajan has also been the Head Examiner for the CBSE Board examinations and was nominated for ‘National/CBSE Best Teacher Award’ for the year 2012 and 2013. She has mentored hundreds of students for the CBSE Board examinations many of whom have made her proud through their achievements. Swana Rawat is a MCA graduate from Delhi University. She has over 15 years of experience in teaching Computer Science. She has worked as the Head of Department of Computer Science in a leading CBSE School in Bengaluru. She has taught Computer Science, Informatics Practices, Multimedia and Web Technology. Swana Rawat has also been the Assistant Head Examiner for CBSE Board examinations. She has won many awards at National and State level. A large number of students under her guidance have excelled in the board examinations.