What is a pointer in C++?
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Wrong!
A pointer is a variable that holds the memory address of another variable.
Which operator is used to access the address of a variable?
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Wrong!
The address-of operator (&) is used to get the memory address of a variable.
What does the '*' operator do when used with pointers?
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Wrong!
The dereference operator (*) is used to access the value at the memory address a pointer holds.
Which keyword is used to deallocate memory in C++?
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Wrong!
The 'delete' keyword is used to free memory allocated using 'new'.
Which kind of memory is automatically managed in C++?
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Stack memory is managed by the system and is automatically freed when a function returns.
What happens if you delete a pointer twice?
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Deleting a pointer twice can cause undefined behavior and may crash the program.
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How do you initialize a null pointer?
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A null pointer does not point to any valid memory location and is initialized using nullptr.
What is a memory leak?
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A memory leak occurs when dynamically allocated memory is not properly deallocated.
What does the 'new' keyword return?
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The 'new' keyword returns a pointer to the allocated memory location.