C++ II Exam 1(Memory and Strings Portion)

Only study with the multiple choice option!

Which of the following statements A, B or C is false?

All of the above statements are true.

For programs that still require pointer-based, C++20 adds new features that help make your programs safer and more robust. Which of the following statements is false?

spans also work with std::array and std::vector, but spans cannot be used with standard library container-processing algorithms, such as accumulate and sort.

Which of the following statements is false?

Referencing a value through a pointer is called redirection.

Which of the following statements A, B or C is false?

The C++ Core Guidelines recommend for modern C++ always initialize pointers with NULL.

Which of the following statements A, B or C is false?

All of the above statements are true.

Which of the following statements is false?

A dereferenced pointer can be used as an rvalue in an assignment, but not as an lvalue in an assignment.

Which of the following statements A, B or C is false?

All of the above statements are true.

Which of the following statements is false?

Built-in arrays are never required.

Which of the following statements is false?

You need to take a built-in array's address (&) to pass it to a function.

Which of the following statements is false?

Pass-by-value copies an argument's value into a function's parameter. If the copy is modified in the called function, the original value in the caller changes as well.

Which of the following ways to declare a pointer provides the greatest level of access privilege?

Nonconstant pointer to nonconstant data.

Which of the following statements A, B or C is false?

Applying sizeof to a pointer returns the size of what the pointer points to.

Which of the following statements is false?

All of the above statements are true.

Which of the following statements A, B or C is false?

string_views are read-write views of C-strings or std::string objects.

Which of the following statements A, B or C is false?

All of the above statements are true.

Which of the following statements A, B or C is false?

std::string comparisons are performed alphabetically.

Which of the following statements A, B or C is false?

The result of a substr call is a view into an existing string object.

Which of the following statements A, B or C is false?

The strings being swapped must have the same length.

Which of the following statements A, B or C is false?

If a substring or character is not found, the string find-related functions return the constant null.

Which of the following statements A, B or C is false?

to_string is overloaded for the fundamental numeric types int, unsigned int, long, unsigned long, long long, unsigned long long, float, double and long double.