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TCS interview questions for freshers - Technical
07-20-2011, 10:27 PM
Post: #1


Following is a set of technical questions asked during recent on-campus/off-campus technical interview. The list is not exhaustive but would certainaly help in preparing for the interview.

1. What is the difference between methods and functions?

2. Tell one difference which is in C and not in C++. Can we pass arguments in main() Difference between static and constant variable.

3. What is true about the followingC Functionsa.Need not return any valueb.Should always return an integerc.Should always return a floatd.Should always return more than one value.

4. Write "hello world program" without using any semicolon in C

5. What is the value of y in the following code?x=7;y=0;if(x=6)y=7;else y=1;a.7b.0c.1d.6

6. Write one statement equivalent to the following two statementsx=sqr(a);return(x);Choose from one of the alternativesa.return(sqr(a));b.printf("sqr(a)");c.return(a*a*a);d.printf("%d",sqr(a));

7. What is the difference between "C structure" and "C++ structure".

8. The statement terminator in C language is?
a. semicolon b. colon c. period d. exclamation mark

9. Main must be written asa.the first function in the programb.Second function in the programc.Last function in the programd.any where in the program

10. The C language terminator is
A. semicolon B. colon C. period D. exclamation mark

11. Which of the following about automatic variables within a function is correct?
A. Its type must be declared before using the variable B. They are local C. They are not initialized to zero D. They are global

12. 10e05
A. int B. char C. string D. float

13. what is the output of following program?#includevoid main(){printf("%d%d",sizeof(NULL),sizeof(" "));}

14. what does the following function print?func(int i){if(i%2)return 0;eale return 1;}main(){int =3;i=func(i);i=func(i);printf("%d",i);}a.3b.1c.0d.2

15. Read the function conv() given belowconv(int t){int u;u=5/9 * (t-32);return(u0;}What
a.15 b.0 c.16.1 d.29

16. Explain the need for "Virtual Destructor".

17. '9'
A. int B. char C. string D. float

18. Which of the following about the C comments is incorrect ?
a. comments can go over multiple lines
b.comments can start any where in the line
c. a line can contain comments with out any language statementsd.comments...





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11-02-2012, 11:56 PM (This post was last modified: 11-02-2012 11:59 PM by amit.agarwal.)
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more such free stuffs at http://costlyheaven.blogspot.com








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