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C++ Review Questions - Basics

Review C++ operators and conditional statements with questions on arithmetic, assignment, relational, and logical operators, if-else logic, and nested conditions.

1. Basics

Operators: Basics

Answer the following questions.

  1. What is an operator?
  2. What is an operand?
  3. What is an expression?
  4. What is a unary operator?
  5. What is a binary operator?
  6. What is the purpose of +?
  7. What is the purpose of %?
  8. What is the difference between = and ==?
  9. What is the difference between ++x and x++?
  10. What is the purpose of --?
  11. What does >= mean?
  12. What does != mean?
  13. What is the purpose of &&?
  14. What is the purpose of ||?
  15. What does ! do?
  16. What is the difference between x += 5 and x = x + 5?
  17. What does x *= 2 do?
  18. What is the result of 20 % 6?
  19. What does a relational operator return?
  20. Why are logical operators used with conditions?
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