Explain what is meant by question-and-answer interfaces. To what kind of users are they best suited?
What will be an ideal response?
A question-and-answer interface displays a question to the user on the screen. In order to interact, the user enters an answer via the keyboard and the computer acts on that input information in a preprogrammed manner. New users, unfamiliar with computers, may find the question and answer interface most comfortable, and gain confidence quickly.
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The regular expression "A{5,}" matches:
a. less than 5 A’s b. exactly 5 A’s c. at least 5 A’s d. none of the above
(What Does this Program Do?) What does the following program print?
```
// Mystery2.cpp
#include
How many memory channels can a quad core processor support?
What will be an ideal response?
The data you enter in each field is called a field ____.
A. object B. name C. value D. pane