Book G5 is a humble effort to make students acquainted with various fields of computer education. In the book multiple versions provide comprehensive information about all new features which enhances the confidence of the learner. The very first page of the book gives the glimpses of our precious inventors and their inventions. After each lesson number of exercises makes the child thorough with the chapter. At the end of each chapter brain teasers generate the interest and encourages the child to be creative. Test Papers, Model Papers and National Cyber Olympiad Papers are given to help the child to recall whatever he / she has learnt. At the end of the book child is introduced with shortcut keys.