(10) For example, two people try to book seats on a flight in the website, at the same time, both of them want to book seat 20C. Even though the booking requests are made at the same time, one request will be received by the airline's computer just before the other. The computer will receive a booking of 20C, because it is available so that it can be confirmed for seat 20C. After that, computer receive a second booking of 20C, because it has already been booked, so it will be rejected
house or apartment Integer
Apartment with three bedrooms YES/NO
house with more than 160 square metres YES/NO
(b) Parallel running : The new system is started, but the old system is kept running in parallel for a while. All of the data that is input into the old system, is also input into the new one. Direct changeover: The old system is stopped completely, and the new system is started. All of the data that used to be input into the old system, now goes into the new one.
(13) Normal Data Values
the system should accept it, process it, and we can then check the results that are output to make sure they are correct. Extreme Data Values
the values are chosen to be at the absolute limits of the normal range. Extreme values are used in testing to make sure that all normal values will be accepted and processed correctly. Abnormal Data Values
This is data that should not normally be accepted by the system - the values are invalid. The system should reject any abnormal values.
(14) network infrastructure : for example student computers do not have the permission to access those websites content security : protecting the information contained so that once student type the website, but the system will show some errors and it will get rejected
(18) First of all, industrial automated robots have the capacity to improve product quality, they can high repeatability...
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