This book presents the content of the school textbook "Informatics for Junior High School - 2nd Grade" in a question-and-answer format. It provides answers to questions and activities and develops ideas for "topics for discussion".

Specifically, it includes:
- Explanation of the main points of the lesson and key terms
- Presentation of the theory in a question-and-answer format in a simple and understandable way
- Answers to the questions in the school textbook
- Processing of the activities in each unit of the school textbook
- Ideas for "topics for discussion"
- Supplementary questions at the end of each chapter
- Short tests to reinforce the concepts
- Laboratory exercises related to the concepts covered in each chapter
- Evaluation criteria at the end of each unit.

The structure and organization of the book will help in understanding the many concepts contained in the Junior High School Informatics textbook, which need to be taught in the short time allocated for this subject.