(1) 要求程序建立一个可存放50项的电话号码表，每项包括人名(20个字符)及电话号码(8个字符)两部分；

(2) 程序可接收输入人名及相应的电话号码，并把它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) 程序可接收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，再在屏幕-(1) requires procedures for the establishment of a store 50 phone numbers table, each including the name (20 characters) and telephone number (8 characters) in two parts　(2) program can receive input names and corresponding telephone numbers, and phone number to add them to the table　(3) Where a new input, the program name on the phone number list should be reordered　(4) procedures need to find the phone number to receive the names and phone numbers from the check table out their phone number, and then the screen