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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
Of the two "next screen "attributes the attributes that has more priority is?? Dynamic.
Name the dynamic memory allocation function? Three dynamic memory allocation functions are: a) malloc, b) calloc and c) free.
what is picket fence problem?
Differentiate between pre-emptive and non-pre-emptive scheduling. Pre-emptive scheduling : in its approach, center processing unit can be taken away from a process if there is a
Static modeling is used to state structure of the objects that are in the problem domain. These are expressed using class, object and USECASE diagrams. But Dynamic modeling sig
create a stored procedure to debit a bank account user must enter account no. and amount to debited from account .the minimum balance in account should be 500. if the debited amoun
Question 1: (a) What do you meant by an expert system? (b) Describe benefits of the EDI. (c) Describe what you understand by: (i) File Infectors (ii) Boot Sect
An established communication session among a server and a workstation.
diifference between pure and impure interpeter
Write shorts notes on Digital Signature. This method is used to authenticate the sender of a message. For sign a message, the sender encrypts the message by using a key ident
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