In preparation for helping users when there is a problem with the system to help in case they need assistance, such as add, modify, delete. The data in the system through the screen of the program.
Preparing for help when there is a problem with the system. sure help if the user needs help, such as Add, Edit, Delete. Information systems through the screen of the program.
Get ready for helping the user when there is a problem about system rescue in case the user needs help, such as Add, edit, delete, information in the system through the screen of the program