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Boolean's Multiple Questions and Answers.
| 1. | Is bool a fundamental data type in C++? | ||
| A. | No, it is expanded from macros | ||
| B. | No, it is an enum of {false, true} | ||
| C. | No, it is a typedef of unsigned char | ||
| D. | Yes | ||
| 2. | Find the odd one out? | ||
| A. | std::vector | ||
| B. | std::vector | ||
| C. | std::vector | ||
| D. | std::vector | ||
| 3. | What is the value of the bool? | ||
| A. | 1 | ||
| B. | 2 | ||
| C. | False | ||
| D. | True | ||
| 4. | What happens when a null pointer is converted into bool? | ||
| A. | The statement is ignored | ||
| B. | Bool value evaluates to false | ||
| C. | Bool value evaluates to true | ||
| D. | An error is flagged | ||
| 5. | For what values of the expression is an if-statement block not executed? | ||
| A. | 0 | ||
| B. | 0 and -1 | ||
| C. | 0 and all negative values | ||
| D. | 0, all negative values, all positive values except 1 | ||
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