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TCS C Interview Questions

Questions Answers Views Company eMail

How to reverse a string using a recursive function, without swapping or using an extra memory?

31 104667

int main() { int *p=new int; *p=10; del p; cout<<*p; *p= 60; cout<<*p; } what will be the output & why?

4 12870

Which of the Following is not defined in string.h? A)strspn() B)strerror() C)memchr() D)strod()

2 9623

Identify the correct argument for the function call fflush () in ANSI C: A)stdout B)stdin C)stderr D)All the above

5 25139

Which of the Following will define a type NODE that is a node in a Linked list? A)struct node {NODE*next;int x;};type def struct node NODE; B)typedef struct NODE {struct NODE *next;int x;}; C)typedef struct NODE {NODE *next;int x;}; D)typedef struct {NODE *next;int x;}NODE;

5 12073

study the code: #include void main() { const int a=100; int *p; p=&a; (*p)++; printf("a=%dn(*p)=%dn",a,*p); } What is printed? A)100,101 B)100,100 C)101,101 D)None of the above

15 21553

which one is not preprocessor directive a)#if b)#elif c)#undef d)#pragma

16 26869

what will be the output: main(){char ch;int a=10;printf("%d",ch);}

36 38163

What is C language Terminator?

15 33803

why i join syntel?

23 60963

palindrome for strings and numbers----Can anybody do the prog?

6 14018

what is the advantage of function pointer

16 75164

what are the static variables

8 13483

how to print "hai" in c?

13 18429

write a C program to print the program itself ?!

16 44484

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Un-Answered Questions

Is array immutable?

971

What is the difference between ejbcreate() and ejbpostcreate?

1019

You want to remove the tasklist data marked for deletion completely from the system. What steps would you take?

1022

what are the common errors while doing integration,system,functional,regression,user acceptance testing? can anybody please let me know the answers it is too urgent???

2094

What are sequence diagrams in UML?

1002

Where will find the Variants?

1495

What are the differences between windows 7 and windows 10?

1157

Give us details of your present employment status

6569

What does "i_am_a_dummy flag" do in mysql?

999

I have one question regarding to eval function. I know eval function is use for error checking but I am not able to understand below line. eval \'exec perl -S $0 ${1+\"$@\"}\' if 0; $0 for script name $@ set if error occur

2098

Explain what is a voltage follower?

1068

What is a datalink?

1062

What is an indexer in c#?

1024

What is kurtosis?

what is effect of leading power facter on the system and billing

2432