Quiz on Pointers and Dynamic Arrays in C++

What is a pointer in C++?

• A variable that stores the address of another variable

• A variable that stores a value

• A function that returns a value

• A type of array

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

• ::

• ->

• &

• *

What does the symbol '*' indicate when declaring a pointer?

• It indicates a pointer

• It indicates a reference

• It indicates a constant

• It indicates a function

What is the purpose of the 'new' operator in C++?

• To initialize a variable

• To delete a variable

• To allocate memory dynamically

• To declare a variable

What is the result of dereferencing a pointer?

• Declaring a new pointer

• Getting the address of the pointer

• Getting the value stored at the address

• Changing the pointer's address

What type of memory allocation does 'malloc' perform?

• Static allocation

• Dynamic allocation

• Automatic allocation

• Manual allocation

What is the correct syntax to declare a pointer to an integer?

• int pointer;

• pointer int;

• int* pointer;

• *int pointer;

What does 'delete' do in C++?

• Allocates memory

• Deallocates memory

• Declares a pointer

• Initializes a variable

Which of the following is a characteristic of static arrays?

• They are allocated at runtime

• They require manual memory management

• Their size can change during execution

• Their size is fixed at compile time

What is the primary difference between static and dynamic arrays?

• Dynamic arrays are always larger

• Dynamic arrays can change size

• Static arrays are faster

• Static arrays use pointers