| Real-time (Transaction) | ||
| Another type of real-time system involves transactions.
As soon as a transaction is received by the computer, it is processed
and any data files are updated.
Example : Theatre Booking System. The system is real-time. If a customer books a seat at a performance then the details are added to the bookings file immediately and that seat is flagged as 'Reserved'. Another customer who asks a few seconds later for a seat at the same performance will not be able to book the same seat.
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| Exercise : Real-time (Transaction) | ||
| Transactions are processed
Example : Bookings are immediately processed so that no two people can have the same holiday.
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| (Green indicates success) | ||
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