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Discover ambiguities or omissions in the following statement of requirements for part of a ticket-issuing system:
An automated ticket machine 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

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mirianmoses

Answer:

Explanation:

AMBIGUITIES AND OMISSION INCLUDE:

  • Is it to select multiple destination same time?.
  • Ticket needs to book either single person or multiple people on same time to the destination?
  • Destination selected is wrong then is it possible to cancel or go back?
  • Supposed an invalid credit card is used then what will happen?
  • is it to swipe or insert the credit card?
  • Is it manually entering the numbers?
  • is it there rooms or train?
  • If an incorrect personal identification number is entered then what happens?
  • is it manually entering the numbers?
  • Ticket prices are varying for Adult/child?

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