1）　　建立一个可存放50项的电话号码表，每项包括人名及电话号码两部分；

2）　　程序可接受输入人名及相应的电话号码，并将他们加入电话号码表中；

3）　　凡有新的输入后，程序应按人名对电话号码表重新排序；

4）　　程序可接受需要查找电话号码的人名，并从电话号码表中查出其电话号码，并显示出来。

5）　　程序采用子程序结构，结构清晰；

6）　　友好清晰的用户界面，能识别输入错误并控制错误的修改。

-1) the establishment of a stored phone number 50 tables, each including the name and telephone number of two parts　2) procedures acceptable to enter the names and corresponding telephone numbers, telephone numbers and adding them to the table　3) Where a new After input, the program names on the telephone number should be re-sorted table　4) procedures acceptable to the need to find the telephone number of the names and phone numbers from the table to identify the telephone number, and displayed. 5) procedures for the use of subroutine structure and the structure clear　6) a clear and friendly user interface, to identify and control error input error changes.