Pointer and References Q2

Quiz 2

    1. Define “pointer.”

    2. How is a pointer different from a thing?

    3. How many pointers can point to a single thing?

    4. What happens if you assign a pointer NULL and then try and dereference it?

    5. Are pointers more efficient than arrays?

    6. Are pointers more risky to use than arrays?

    7. Which of the preceding two questions is the more important?