C++ Trivia Quiz: Types Of Operators And Variables!

76 Questions | By Clilfellac | Updated: Feb 17, 2023 | Attempts: 226

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C++ Trivia Quiz: Types Of Operators And Variables! - Quiz

The quiz below is perfectly designed to test your understanding when it comes to the types and variables of the C++ programming languages. For you to pass that certification exam, you need to have a proper understanding of this topic. So, take up this quiz and see if you need more time to study well before the exam is due.

Questions and Answers

1.

Each byte in memory is assigned a unique __________.
2.

The __________ operator can be used to determine a variable's address
3.

_____________ variables are designed to hold addresses.
4.

The ____________ operator can be used to work with the variable a pointer points to.
5.

Array names can be used as _____________, and vice versa.
6.

Creating variables while a program is running is called __________.
7.

The __________ operator is used to dynamically allocate memory.
8.

Under older compilers, if the new operator cannot allocate the amount of memory requested, it returns __________.
9.

A pointer that contains the address 0 is called a(n) __________ pointer.
10.

When a program is finished with a chunk of dynamically allocated memory, it should free it with the __________ operator.
11.

You should only use pointers with delete that were previously used with __________.
12.

The & symbol is called the indirection operator.
- A.
  
  True
- B.
  
  False
13.

The & operator dereferences a pointer.
- A.
  
  True
- B.
  
  False
14.

When the indirection operator is used with a pointer variable, you are actually working with the value the pointer is pointing to.
- A.
  
  True
- B.
  
  False
15.

Array names cannot be dereferenced with the indirection operator.
- A.
  
  True
- B.
  
  False
16.

When you add value to a pointer, you are actually adding that number times the size of the data type referenced by the pointer.
- A.
  
  True
- B.
  
  False
17.

The address operator is not needed to assign the address an array to a pointer.
- A.
  
  True
- B.
  
  False
18.

You can change the address that an array name points to.
- A.
  
  True
- B.
  
  False
19.

Any mathematical operation, including multiplication and division, may be performed on a pointer.
- A.
  
  True
- B.
  
  False
20.

Pointers may be compared using the relational operators.
- A.
  
  True
- B.
  
  False
21.

When used as function parameters, reference variables are much easier to work with than pointers.
- A.
  
  True
- B.
  
  False
22.

The new operator dynamically allocates memory.
- A.
  
  True
- B.
  
  False
23.

A pointer variable that has not been initialized is called a null pointer.
- A.
  
  True
- B.
  
  False
24.

The address 0 is generally considered unusable.
- A.
  
  True
- B.
  
  False
25.

In using a pointer with the delete operator, it is not necessary for the pointer to have been previously used with the new operator.
- A.
  
  True
- B.
  
  False