Which of the following are true of the Model-View-Controller pattern?
a. This pattern is useful in designing a GUI (graphical user interface).
b. This pattern is useful only in designing end-user computer applications. It is of little value otherwise.
c. This pattern presents a way to separate (at least logically) I/O from the process part of the application.
d. In this pattern, the Controller is the input portion of the task.
e. In this pattern, the View is the input portion of the task.
f. In this pattern, the Controller accepts data and commands from the user, it sends the to the Model. The Model processes commands, operates on the data, and changes the state of the program, notifies the View. The View presents the state of the program.
Parts a) c) d) and f) are correct, or partially correct.
Explanation: Part a) is omits other uses. Part b) is too restrictive. This pattern has applicability to almost any system, whether application or other system. It is applicable to non-computer systems. Part c) and d) are correct. If these err, it is by omission. Part e) is wrong, the View is the output part of the solution. Part f) is a correct overview of the model.
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