学生成绩管理系统
(1)　　主菜单模块。
(2)　　输入模块
(3)　　查询模块
(4)　　更新模块。
(5)　　排序模块。
(6)　　统计模块 (7)　　输出模块。(Student achievement management system
(1) main menu module.
(2) input module. information, name, gender, advanced mathematics, English, computer and average grade.
(3) query module. Users can search in accordance with the student's student number or name. If the student's information record is found, the relevant information is output, otherwise the hint is not found.
(4) update module. Mainly to complete the maintenance of student information. It includes adding records, deleting records and modifying grades. When you complete the update record, you need to store the modified data in the data file.
(5) sorting module.
(6) statistical module.)