This site introduces the contents of our own "Pre-research" such as fieldwork and questionnaires for the "Information" section of the common test to be held from 2025, and the Fundamental contents of "Information I," the scope of the test, divided into three categories: "Digitization", "Database", and "Network" respectively. At the end of each category, you will also find the common test prediction questions and their answers, which were created by ourselves. In "Programming", the developmental content, explorations mainly related to prime factorization are introduced by type.