C++ Programming Multiple Choice Question - Pointers

This section focuses on the "Pointers" in C++ programming langauge. These Multiple Choice Questions (MCQ) should be practiced to improve the C++ programming skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

1. Which of the following is the correct way to declare a pointer ?

A. int *ptr
B. int ptr
C. int &ptr
D. All of the above

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2. Which of the following gives the [value] stored at the address pointed to by the pointer : ptr?

A. Value(ptr)
B. ptr
C. &ptr
D. *ptr

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3. A pointer can be initialized with

A. Null
B. Zero
C. Address of an object of same type
D. All of the above

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4. Choose the right option string* x, y;

A. x is a pointer to a string, y is a string
B. y is a pointer to a string, x is a string
C. Both x and y are pointers to string types
D. none of the above

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5. Generic pointers can be declared with__________ .

A. auto
B. void
C. asm
D. None of the above

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6. What is size of generic pointer in c?

A. 0
B. 1
C. 2
D. Null

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7. Which from the following is not a correct way to pass a pointer to a function?

A. Non-constant pointer to non-constant data
B. A non-constant pointer to constant data
C. A constant pointer to non-constant data
D. All of the above

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8. What does the following statement mean?

 int (*fp)(char*)

A. Pointer to a pointer
B. Pointer to an array of chars
C. Pointer to function taking a char* argument and returns an int
D. Function taking a char* argument and returning a pointer to int

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9. A void pointer cannot point to which of these?

A. Methods in c++
B. Class member in c++
C. Both A & B
D. None of the above

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10. Referencing a value through a pointer is called

A. Direct calling
B. Indirection
C. Pointer referencing
D. All of the above

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