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Questions and Answers
What is the primary benefit of using library functions in C++ programming?
What is the primary benefit of using library functions in C++ programming?
- To allow the programmer to create their own functions
- To make the program more complex and challenging
- To increase the execution speed of the program
- To reduce the amount of code that needs to be written (correct)
Which of the following library functions is used to calculate the square root of a number?
Which of the following library functions is used to calculate the square root of a number?
- ceil()
- sqrt() (correct)
- abs()
- isdigit()
Which header file needs to be included in order to use the sqrt() function?
Which header file needs to be included in order to use the sqrt() function?
- vector
- string
- cmath (correct)
- iostream
What is the purpose of the isdigit() function in C++?
What is the purpose of the isdigit() function in C++?
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What is necessary to use library functions in C++?
What is necessary to use library functions in C++?
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