C++ Pointers Quiz

What is a pointer in C++?

• A) A type of C++ operator

• B) A variable that stores the address of another variable

• C) A function that returns an integer

• D) A memory allocation technique

Which operator is used to get the address of a variable?

• A) *

• B) &

• C) #

• D) %

How can you access the value stored in the address a pointer p is pointing to?

• A) &p

• B) *p

• C) #p

• D) p&

Which of the following is a valid pointer arithmetic operation?

• A) ptr + 5

• B) ptr * 3

• C) ptr % 2

• D) ptr / 4

Which of the following statements is correct about pointer types in C++?

• A) A pointer to an integer can hold the address of a float.

• B) Different types of pointers have different sizes.

• C) All pointers in C++ have the same size regardless of datatype.

• D) Pointers of different types have different default values.

What is the output of the following code? cppCopy code int x = 10; int *p = &x; cout << *p;

• A) A memory address

• B) 10

• C) An error message

• D) Undefined

If arr is an array of integers, which statement is correct?

• A) *(arr + 1) gives the first element of the array.

• B) *(arr + 1) gives the second element of the array.

• C) *(arr + 1) gives the address of the first element of the array.

• D) *(arr + 1) is undefined.