Part 20 — Viva / Short Questions

Part 20 — Viva / Short Questions

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?