According to the text, for the ADT dictionary, in which of the following situations would a sorted array-based implementation be appropriate for frequent retrievals?
a. when the maximum size is unknown
b. when the maximum size is known
c. when you have duplicate search keys
d. when search keys are all similar.
c. when you have duplicate search keys
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What should you define if you want to grant several users the same permissions to database objects?
A. schema B. user C. role D. access list
What does the derived class inherit from the base class?
A. Everything. B. Only public data. C. Public and Private Data. D. Public and Protected Data.
Mobile wireless Internet accessrequires a DSL modem and is available only to users who are relatively close to a telephone switching station and who have telephone lines capable of handling DSL.
Answer the following statement true (T) or false (F)
The use of a queue structure ensures that the items are processed in the order they are received.
Answer the following statement true (T) or false (F)