Pointer - C Programming MCQ Questions and Answers

Section 1 Section 2 Section 3

1.
In C, what is a pointer primarily used for?

A. Decision making

B. Code organization

C. Variable declaration

D. Storing values

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2.
What is the result of the expression sizeof(int*) in C, assuming an int pointer on a typical system?

A. 4

B. 8

C. 2

D. 1

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3.
In C, how do you declare a pointer variable that can store the address of an integer?

A. int *ptr;

B. ptr int;

C. int ptr;

D. ptr *int;

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4.
What is the purpose of the '->' operator in C when used with pointers?

A. Arithmetic operation

B. Indirection operator

C. Member access operator

D. Bitwise operation

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5.
In C, what is the value of a pointer variable if it hasn't been assigned any address?

A. 0

B. Null

C. Undefined

D. 1

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6.
What is the result of the expression *ptr in C, where ptr is a pointer to an int?

A. Address of ptr

B. Value pointed to by ptr

C. Size of ptr

D. Type of ptr

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7.
In C, what is the purpose of the 'void' pointer type (void*)?

A. To store any data type's address

B. To declare a pointer as uninitialized

C. To make a pointer point to null

D. To create a generic function

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8.
How do you declare a pointer to a function that takes two integers and returns an integer in C?

A. int (*ptr)(int, int);

B. ptr(int, int) int;

C. function int (*ptr)(int, int);

D. ptr function(int, int) int;

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9.
What is the result of the expression ptr++ in C, where ptr is a pointer?

A. Increase the value of ptr by 1

B. Decrease the value of ptr by 1

C. Move ptr to the next memory location

D. It's not a valid operation

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10.
In C, what is the purpose of the 'const' keyword when used with a pointer declaration?

A. To declare a constant pointer

B. To make the pointer point to a constant value

C. To make the pointer constant

D. To prevent pointer declaration

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Pointer - C Programming MCQ Questions and Answers

1. In C, what is a pointer primarily used for?

Answer & Solution

2. What is the result of the expression sizeof(int*) in C, assuming an int pointer on a typical system?

Answer & Solution

3. In C, how do you declare a pointer variable that can store the address of an integer?

Answer & Solution

4. What is the purpose of the '->' operator in C when used with pointers?

Answer & Solution

5. In C, what is the value of a pointer variable if it hasn't been assigned any address?

Answer & Solution

6. What is the result of the expression *ptr in C, where ptr is a pointer to an int?

Answer & Solution

7. In C, what is the purpose of the 'void' pointer type (void*)?

Answer & Solution

8. How do you declare a pointer to a function that takes two integers and returns an integer in C?

Answer & Solution

9. What is the result of the expression ptr++ in C, where ptr is a pointer?

Answer & Solution

10. In C, what is the purpose of the 'const' keyword when used with a pointer declaration?

Answer & Solution

Read More Section(Pointer)

1.
In C, what is a pointer primarily used for?

2.
What is the result of the expression sizeof(int*) in C, assuming an int pointer on a typical system?

3.
In C, how do you declare a pointer variable that can store the address of an integer?

4.
What is the purpose of the '->' operator in C when used with pointers?

5.
In C, what is the value of a pointer variable if it hasn't been assigned any address?

6.
What is the result of the expression *ptr in C, where ptr is a pointer to an int?

7.
In C, what is the purpose of the 'void' pointer type (void*)?

8.
How do you declare a pointer to a function that takes two integers and returns an integer in C?

9.
What is the result of the expression ptr++ in C, where ptr is a pointer?

10.
In C, what is the purpose of the 'const' keyword when used with a pointer declaration?