Operators and Expressions Quiz - CBSE Class 9 Computer Science

Free practice quiz: Operators and Expressions (CBSE Class 9 Computer Science). 19 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. Which operator is used in Python for addition?

   1. +
   2. -
   3. *
   4. /
   Show answer

   Answer: A. +

   The '+' operator is used for addition in Python, allowing you to add two numbers together.

2. Which operator is used for exponentiation in Python?

   1. **
   2. //
   3. ^^
   4. !
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   Answer: A. **

   The '**' operator is used for exponentiation in Python, meaning raising a number to the power of another.

3. What is the result of 'Python' + '3'?

   1. Python 3
   2. Python3
   3. 6
   4. Error
   Show answer

   Answer: B. Python3

   In Python, using the '+' operator with strings results in concatenation. 'Python' + '3' concatenates to 'Python3'.

4. What does 2**3 evaluate to in Python?

   1. 8
   2. 9
   3. 6
   4. Error
   Show answer

   Answer: A. 8

   The '**' operator raises the number to the power of another. Hence, 2**3 means 2 raised to the power 3, which is 8.

5. If x = True and y = False, what does the expression x or y evaluate to?

   1. True
   2. False
   3. None
   4. Error
   Show answer

   Answer: A. True

   The 'or' operator returns True if at least one operand is True. Here, x is True, so the expression evaluates to True.

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• Control Structures (If-Else and Loops)

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