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Questions and Answers
Which one of the following statements is true about constants and variables in programming?
Which one of the following statements is true about constants and variables in programming?
- Constants can be altered during program execution, while variables cannot.
- Constants cannot be altered during program execution, while variables can. (correct)
- Constants and variables are the same thing.
- Constants and variables can both be altered during program execution.
What is a constant in programming?
What is a constant in programming?
- A value you type into your program wherever it is needed.
- A data item whose value can change during program execution.
- A named constant that is used interchangeably with the term 'constant'.
- An identifier with a value that cannot be changed during program execution. (correct)
What is a variable in programming?
What is a variable in programming?
- A data item whose value cannot change during program execution.
- An identifier with a value that can change during program execution. (correct)
- A named constant that is used interchangeably with the term 'variable'.
- A value you type into your program wherever it is needed.
How are constants used in programming?
How are constants used in programming?
How are variables used in programming?
How are variables used in programming?
Which of the following best describes conservation biology?
Which of the following best describes conservation biology?
What is the interdisciplinary nature of conservation biology?
What is the interdisciplinary nature of conservation biology?
When did the term 'conservation biology' originate as a new field?
When did the term 'conservation biology' originate as a new field?
Who were the American biologists involved in the convening of the first international conference on research in conservation biology?
Who were the American biologists involved in the convening of the first international conference on research in conservation biology?
What prompted the convening of the first international conference on research in conservation biology?
What prompted the convening of the first international conference on research in conservation biology?
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