In the figure above, if item 1 is the original image, which sample shows the effects of the Desaturate tool?
A. 5
B. 6
C. 7
D. 8
Answer: D
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When programs contain large amounts of data that must be accessed by functions, pointers to the data in functions are helpful because
A. they provide a way to access it. B. they don’t require their own copy of data in the program. C. the function can’t pass it to main(). D. main() doesn’t have a copy of data to pass to the function.
Consider a brokerage firm database with relations Holdings(AccountId, StockSymbol, Price, Quantity) and Balance(AccountId, Balance). Write the triggers for maintaining the correctness of the account balance when stock is bought (a tuple is added to Holdings or Quantity is incremented) or sold (a tuple is deleted from Holdings or Quantity is decremented).
Write both row level and statement level triggers.
In C#, when something interesting happens to an object, what is said to have occurred?
A. an error B. an event C. a memory dump D. a method callback
A user has a small network of four computers that they want to connect to a single cable modem. Which of the following devices would allow the user to do this?
A. Four port wireless router B. Four port switch C. Four port hub D. Four port WAP