You can declare several names from a namespace in one declaration:
What will be an ideal response?
```
#include
using std::cout, std::cin, std::endl;
```
False. Such lists are not legal, and are not used. The effect the programmer
wants can be gotten by a separate using declaration for each of cin, cout, and endl.
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Which of the following areas of research is NOT related to biotechnology?
A. Mapping human genes B. Developing new medications C. Creating robotic caretakers D. Increasing crop yields
Describe two situations in which you could create workbooks to store and calculate data.
What will be an ideal response?
The standards for XML are developed and maintained by _____.
A. ?NASA B. ?the NSF C. ?the W3C D. ?DARPA
Analyze the following code fragments that assign a boolean value to the variable even.
Code 1: if (number % 2 == 0) even = true; else even = false; Code 2: even = (number % 2 == 0) ? true: false; Code 3: even = number % 2 == 0; a. Code 2 has a compile error, because you cannot have true and false literals in the conditional expression. b. Code 3 has a compile error, because you attempt to assign number to even. c. All three are correct, but Code 1 is preferred. d. All three are correct, but Code 2 is preferred. e. All three are correct, but Code 3 is preferred.