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Report Of Requirements For Part Of A Ticket Issuing System

Satisfactory Essays

Group Homework Assignment 3 1. Discover ambiguities or omissions in the following statement of requirements for part of a ticket-issuing system: An automated ticket-issuing system sells rail tickets. Users select their destination and input a credit card and a personal identification number. The rail ticket is issued and their credit card account charged. When the user presses the start button, a menu display of potential destinations is activated, along with a message to the user to select a destination. Once a destination has been selected, users are requested to input their credit card. Its validity is checked and the user is then requested to input a personal identifier. When the credit transaction has been validated, the ticket is issued. Not inquiring about the number of tickets user intends to purchase. Not showing the various departure times and train schedules for a specific destination. Not showing the various return times and train schedules from the same destination. Not discussing the scenario if the credit card were to get declines and the following combination of events. For a first time user, who does not carry a personal identification number, there is no procedure outlined as how to acquire one. Users should be asked to enter their personal identification number first as a means to log in, so the system would have access to their personal information and then be asked to enter the credit card so the system could verify the card holder’s name. No option for

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