Practice Assignment Expressions - 2.1.d | Chapter 7: Variables and Expressions | ICSE Class 12 Computer Science
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Practice Questions

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Question 1

Easy

What does the assignment expression x = 5; do?

💡 Hint: Think about what happens on the left and right of the equal sign.

Question 2

Easy

Rewrite the expression a = a + 2; using a compound assignment operator.

💡 Hint: Look for ways to combine the operation with assignment.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the expression a += 3; mean?

  • Adds 3 to a
  • Assigns 3 to a
  • Resets a to 3

💡 Hint: Think about how the operator combines addition with assignment.

Question 2

True or False: The expression b = b * 2; can be rewritten as b *= 2;.

  • True
  • False

💡 Hint: Identify the equivalence of both expressions.

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Challenge Problems

Push your limits with challenges.

Question 1

Design a set of variables to represent a bank account transaction system. Use assignment operators to update the balance after deposits and withdrawals.

💡 Hint: Think of the balance as starting at zero, adding or subtracting for each transaction.

Question 2

You have a variable for total score in an exam. If the score starts at 50 and you score 10 points on two different tests, show how you update it using assignment expressions.

💡 Hint: Consider how many tests you took and the points you earned.

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