C++ Pointers and Arrays Quiz

What operator is used to get the address of a variable in C++?

• *

• &

• ->

• %

What does a pointer variable store?

• Value of a variable

• Address of another variable

• Both value and address

• None of the above

How is the address of an array passed to a function in C++?

• Automatically

• Explicitly using &

• As a reference

• As a value

Which of the following statements correctly declares a pointer to an integer?

• int ptr*;

• int* ptr;

• int ptr;

• ptr int;

What does the indirection operator (*) do when applied to a pointer?

• Prints the address of the pointer

• Points to another pointer

• Accesses the value the pointer points to

• Creates a new pointer

Which of the following can hold the address of an integer?

• int*

• float*

• char*

• double*

Given int x = 25; int *ptr = &x;, what will *ptr output?

• Memory address of x

• Value of x

• Undefined behavior

• 0

What is the starting address of an array called in C++?

• Pointer constant

• Array base

• Array size

• Array pointer

Given int vals[] = {4, 7, 11};, what will *vals output?

• 4

• 7

• Address of vals

• None of the above

How are arrays and pointers related in C++?

• They are completely unrelated

• Array names are constant pointers

• Arrays are dynamic pointers

• Pointers cannot be used with arrays