Color depth, or bit depth, is the amount of information, expressed in bits, that is stored in a dot (pixel).
a. true
b. false
Answer: a. true
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Suppose we have algorithms that solve a particular problem that have the following complexities. Which one is most efficient?
a) O(1) b) O(log 2 n) c) O(n 2 ) d) O(n 3 ) e) O(2 n
For noncontiguous selections from a selection list on a PC, press and hold the ____ key while you make your selections.
A. Ctrl B. Shift C. Esc D. Alt
The TaskBag is a service whose functionality is to provide a repository for ‘task descriptions’. It enables clients running in several computers to carry out parts of a computation in parallel. A master process places descriptions of sub-tasks of a computation in the TaskBag, and worker processes select tasks from the TaskBag and carry them out, returning descriptions of results to the TaskBag. The master then collects the results and combines them to produce the final result.
The TaskBag service provides the following operations: setTask allows clients to add task descriptions to the bag; takeTask allows clients to take task descriptions out of the bag. A client makes the request takeTask, when a task is not available but may be available soon. Discuss the advantages and drawbacks of the following alternatives: (i) the server can reply immediately, telling the client to try again later; (ii) make the server operation (and therefore the client) wait until a task becomes available; (iii) use callbacks.
With wireless CSMA/CA the amount of time that a device must wait after the medium is clear is called the ____________________.
Fill in the blank(s) with the appropriate word(s).