Which of the following is a good reason to use text messaging?
A. when communication needs to be accessed in real time
B. when the correspondence might require a paper trail
C. when a file needs to be attached
D. when the correspondence needs to be accessed frequently
Answer: A
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An expensive software designed for professional film editors to produce feature-length films is ____.
A. Corel VideoStudio Pro B. Apple Final Cut Pro C. Adobe Premiere Elements D. Cyberlink PowerDirector
Now suppose the service provided using distributed computing requires only 1 of the 3 computers, with the other 2 computer being backups (that is, each of the three computers, on its own, is capable of providing the service). Now what is the probability that the service will not be available at any time, assuming that no other components in the distributed system will fail? How does it compare with the failure probability if the same computing is performed using monolithic computing, that is, on one computer only?
In this exercise we will use a simplified mathematical model to analyze failures in a distributed system. Explain your answers. Suppose each computer in has a probability of p of failing at any time.
If you click the Select button in the accompanying figure, which of the following happens?
A. Dreamweaver connects to the remote server. B. The names of all the databases on the remote server to which you have access appear in the Select Database list. C. The Select Database dialog box opens. D. All of the above
Answer the following statements true (T) or false (F)
1. The constructor for class counter is automatically executed each time an object of type counter is declared. 2. All member functions of a class must be public 3. The terms "data members" and "attributes" of a class are interchangeable. 4. A state attribute of a class should be initialized prior to use. 5. There are at most 5 operations that can be performed on the object of a class.