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C Interview Questions
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1)what is the error in the following stmt where str is a char array and the stmt is supposed to traverse through the whole character string str? for(i=0;str[i];i++) a)There is no error. b)There shud be no ; after the stmt. c)The cond shud be str[i]!='\0' d)The cond shud be str[i]!=NULL e)i shud be initialized to 1

4 3719

main() { enum{red,green,blue=6,white}; pf("%d%d%d%d", red,green,blue,white); return 0; } a)0 1 6 2 b)0 1 6 7 c)Compilation error d)None of the above

6 12439

4)What would be the output? main() { int num=425; pf("%d",pf("%d",num)); } a)Comp error b)4425 c)4253 d)3435 e)none

10 8176

6)What would be the output? main() { int u=1,v=3; pf("%d%d",u,v); funct1(&u,&v); pf("%d%d\n",u,v); } void funct1(int *pu, int *pv) { *pu=0; *pv=0; return; } a)1 3 1 3 b)1 3 1 1 c)1 3 0 0 d)1 1 1 1 e) 3 1 3 1

 4 5705

what wud be the output? main() { char *str[]={ "MANISH" "KUMAR" "CHOUDHARY" }; printf("\nstring1=%s",str[0]); printf("\nstring2=%s",str[1]); printf("\nstring3=%s",str[2]); a)string1=Manish string2=Kumar string3=Choudhary b)string1=Manish string2=Manish string3=Manish c)string1=Manish Kumar Choudhary string2=(null) string3=(null) d)Compiler error

Infosys,

9 7800

what will be the output of this program main() { int i=1; while (i<=10); { i++; } }

11 8737

main() { char x; while(x=0;x<=255;x++) printf("\nAscii value %d Charater %c",x,x); }

 2 9073

main() { charx; while (x=0;x<=255;x++) printf("\nAscii value %d Character %c,x,x); }

 2 7635

main() { intj; while9j<=10) { printf("\n%d",j); j=j+1; } }

 4 7878

how to find the sizof of any datatype using bit manipulations

 3 4092

How do I declare an array of N pointers to functions returning pointers to functions returning pointers to characters?

CMC, Wipro,

2 7294

SIR PLS TELL ME THE CODE IN C LANGUAGE TO PRINT THE FOLLOWING SERIES 1 1 2 1 1 2 3 2 1 1 2 3 4 3 2 1 1 2 3 2 1 1 2 1 1

 4 4501

what is the output of the program?? #include main ( ) { int a=010,sum=0,tracker: for(tracker=0;tracker<=a;tracker++) sum+=tracker; printf(“ %d\n”,sum); } what is the difference between a=10 and a=010??

Oracle,

3 9846

write a program for 4 4 3 3 3 3 2 2 2 2 2 2 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 4 4

 1 2556

program to find out date after adding 31 days to a date in the month of febraury also consider the leap year

 2339

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Un-Answered Questions { C }

When was c language developed?

536

What are the advantages of the functions?

449

write a program in c language to print your bio-data on the screen by using functions.

6040

What is a list in c?

458

Do you know the use of 'auto' keyword?

484




What language is lisp written in?

439

What is the use of sizeof () in c?

397

What are examples of structures?

421

Why is c called a structured programming language?

458

List at least 10 sorting methods indicating their average case complexity, worst case complexity and best case complexity.

2130

Why do we need functions in c?

396

c language interview questions & answer

1313

Tell us the use of fflush() function in c language?

456

What does 4d mean in c?

524

Can you return null in c?

439

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