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Give example of Real time (transaction) processing
Using this illustration of booking seats on a flight, below sequence of events would occur:
- Customer/travel agent contacts the airline
- Customer/travel agents types in day/time of flight and number of travellers
- Customer/travel agent types in departure airport and the destination airport
- Airline database is searched and availability of seats checked
- Seats are available on the required day/time then a booking is made
- Database/file is updated immediately to indicate that these seats are no longer available and prevents double booking from occurring
- If no seats are available a message is sent back to customer/travel agent
- This uses real time (transaction) processing as files are updated in real time; interrogation of files will have access to totally updated information
What is control word? A control word is a word whose individual bits show the various control signals.
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Q. Explain proces of defining the Document Page Title? Though the document has a file name, notice it's still labelled Untitled Document; that is because it needs an HTML docum
Ask question #Midifference between cardinality and modality nimum 100 words accepted#
start 100 A Ds 3
Expand CPI-C. CPI-C= Common Program Interface Communication.
How many two-input AND and OR gates are required to realize Y=CD+EF+G ? Ans. Y=CD+EF+G No. of two i/p AND gates=2 No. of two i/p OR gates = 2 One OR gate to OR CD and EF
Coupling and cohesion can be shown using a:- Dependence matrix
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