char , bool and Operators

1. What is the size of a char datatype in C++?

• 16 bits

• c) 1 byte

• 1 kilobyte

• 2 bytes

2. What is the value of the ASCII code for the character 'A'?

• 64

• 66

• 65

• 67

3. What will be the output of the following code?

• 3

• a) 67

• C

• Error

4. Which of the following is a valid bool value in C++?

• 'true'

• 1

• "true"

• True

5. Which operator is used to check if two values are equal in C++?

• !=

• ==

• =

• <=

6. What is the correct result of the following expression?

• 15

• 21

• 11

• 7

8. What does the sizeof operator return for the bool datatype?

• 2 bytes

• a) 1 byte

• 8 bytes

• 4 bytes

What is the output of the following code?

• 5

• 10

• 15

• 20

Which operator has the highest precedence in C++?

• +

• =

• *

• () (parentheses)

What is the result of this expression?

• • 3.33

  • 
    

• 3

• 0

• Error

Answer explanation

• Answer: b) 3 (since both x and y are integers, the result is integer division)