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TCS C Interview Questions

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a=0; while(a<5) printf("%d\n",a++); how many times does the loop occurs? a.infinite b.5 c.4 d.6

7 16592

how many times does the loop iterated ? for (i=0;i=10;i+=2) printf("Hi\n");

9 20219

which of the following go out of the loopo if expn 2 becoming false a.while(expn 1){...if(expn 2)continue;} b.while(!expn 1){if(expn 2)continue;...} c.do{..if(expn 1)continue;..}while(expn 2); d.while(!expn 2){if(expn 1)continue;..}

4 8891

pick out the odd one out of the following a.malloc() b.calloc() c.free() d.realloc()

2 12914

# define prod(a,b)=a*b main() { int x=2; int y=3; printf("%d",prod(x+2,y-10)); } the output of the program is a.8 b.6 c.7 d.none

7 20836

consider the following program sigment int n,sum=1; switch(n) { case 2:sum=sum+2; case 3:sum*=2; break; default:sum=0;} if n=2, what is the value of sum a.0 b.6 c.3 d.none

7 14919

the format specified for hexa decimal is a.%d b.%o c.%x d.%u

7 11681

find the output of the following program main() { int x=5, *p; p=&x; printf("%d",++*p); }

10 27312

consider the following C code main() { int i=3,x; while(i>0) { x=func(i); i--; } int func(int n) { static sum=0; sum=sum+n; return(sum); } the final value of x is

4 10460

int *a[5] refers to

12 26114

which of the following statements is incorrect a.typedef struct new{ int n1; char n2; } DATA; b.typedef struct { int n3; char *n4; }ICE; c.typedef union { int n5; float n6; } UDT; d.#typedef union { int n7; float n8; } TUDAT;

5 16082

main() { int x=10,y=15; x=x++; y=++y; printf("%d %d\n",x,y); } output??

19 60592

const char * char * const What is the differnce between the above tow?.

6 10405

how to connect oracle in C/C++.

3 9998

Explain the importance and use of each component of this string: Foo.Bar, Version=2.0.205.0, Culture=neutral, PublicKeyToken=593777ae2d274679d

1 7046

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Un-Answered Questions

Explain what is domain extension?

735

Which function is used in php to search a particular value in an array?

863

What are the different types of functions available in qtp and explain ?

964

How to run a scenario?

1078

When installing the datastage7.5x2 edtion iam getting aproblem i.e the cpu count is 2 but the cpu count in installation is one . how can i install in my p.c (system is dual core).

2159

What does el mean in java?

973

How to define an oracle sub procedure?

1058

What do you mean by % and _ in the LIKE statement?

946

What methods are used in Servlet?Applet communication?

2175

How to show a ContextMenuStrip instead of cthe default ContextMenuStrip,when you rightclick on the non client area of a window's Form or when alt+space keys are pressed

2188

How do I truncate text in excel?

651

What are hooks in code?

118

What are the stable versions of Hadoop?

954

What is belady's anomaly?

937

Does bootstrap supports all the modern browsers?