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Home Placements Interview Questions C and C++ Interview Questions And Answers C and C++ Interview Questions On Operators ▼

C and C++ Interview Questions On Operators

1. Which bit wise operator is suitable for checking whether a particular bit is on or off?
2. Which bit wise operator is suitable for turning off a particular bit in a number?
3. Write a program to interchange two variables without using third one
4. Which bit wise operator is suitable for putting On a particular bit in a number?
5. What is an lvalue?
6. Why n++ executes faster than n+1?
7. What is the benefit of using const for declaring constants?
8. Define and explain about ! Operator?
9. What is the operator precedence?
10. What is the Associativity of comma(i.e. ,) operator?
11. what is the precedence of the logical operator?
12. Why we need the bitwise opeartors ?
13. What is the Associativity of increment and decrement operator?
14. Which one <, >=, << has higher precedence?
15. What about sizeof operator?
16. What is mean by unary operator?
17. What is mean by ternary operator?
18. How we swap two integer values using bitwise operator?
19. Why preincrement operator is faster than postincrement operator?
20. What is a scope resolution operator?
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