LZECE431_Topic5

What does a pointer store?

• a) The value of the variable it points to.

• b) The memory address of the variable it points to.

• c) Both the value and memory address of the variable it points to.

• d) None of the above.

2. In C++, a reference is:

• a) A new variable with a separate memory address.

• b) Another name for an existing variable.

• c) A type of pointer.

• d) Not allowed in C++.

When a function receives parameters by value (Choose 2):

• a) The function receives the values of the arguments.

• b) The function receives the memory addresses of the arguments.

• c) Changes made to the parameters inside the function do not affect the original values.

• d) The function can modify the original values directly.

What is passed to a function when using pass by pointer?

• a) The values of the arguments.

• b) The memory addresses of the arguments.

• c) A copy of the arguments.

• d) The reference to the function.

In a pass by reference function, changes made to the parameters inside the function:

• a) Affect the original values.

• b) Do not affect the original values.

• c) Create new variables.

• d) Result in a compilation error.

6. What is a similarity between arrays and pointers in C++?

• a) Both cannot be used as function parameters.

• b) Both can be used to store multiple values.

• c) Both have a fixed size.

• d) Both can only store integers.

When passing an array to a function in C++, what is actually passed?

• a) The entire array.

• b) The memory address of the first element.

• c) A copy of the array.

• d) The size of the array.

What will be printed to the console?

• a) 10

• b) 20

• c) 30

• d) Compiler error

What is printed to the console?

• a) 1

• b) 2

• c) 3

• d) Compiler error

What is the final value of x?

• a) 5

• b) 10

• c) 11

• d) Compiler error