This is a question collection app specialized for the high school subject "Information I", and is the perfect study tool for regular tests and university entrance common tests.It includes a wide range of basic and practical problems, and steadily develops not only vocabulary memorization but also ability.All questions come with detailed explanations, and some even have diagrams to help you understand.We plan to add and change questions and explanations through updates, making it even more complete and sophisticated.You can learn without missing anything in the mode that asks only unanswered questions, and you can overcome your weaknesses in the mode that asks only incorrect questions.Furthermore, the bookmark function allows you to efficiently manage important issues.Achieve success with efficient learning!