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C Interview Questions
Questions Answers Views Company eMail

the operator for exponencation is a.** b.^ c.% d.not available

TCS,

5 9190

what is y value of the code if input x=10 y=5; if (x==10) else if(x==9) elae y=8; a.9 b.8 c.6 d.7

TCS,

4 12025

what does the following code do? fn(int n,int p,int r) { static int a=p; switch(n){ case 4:a+=a*r; case 3:a+=a*r; case 2:a+=a*r; case 1:a+=a*r; } } a.computes simple interest for one year b.computes amount on compound interest for 1 to 4 years c.computes simple interest for four year d.computes compound interst for 1 year

TCS,

7 13381

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

TCS,

7 16881

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

TCS,

9 20575

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;..}

TCS,

4 9150

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

TCS, ZenQ,

2 13053

# 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

Microsoft, TCS,

7 21147

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

TCS,

7 15200

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

TCS,

7 11937

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

Amdocs, TCS,

10 27668

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

TCS,

4 10647

int *a[5] refers to

TCS,

12 26657

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;

Assurgent, TCS,

5 16327

main() { char *p1="Name"; char *p2; p2=(char *)malloc(20); while(*p2++=*p1++); printf("%s\n",p2); } what is the output?

AMCAT, HCL, Ramco, Zycus Infotech,

7 26912


Post New C Questions

Un-Answered Questions { C }

How main function is called in c?

1127


What is meant by high-order and low-order bytes?

1051


What is the role of && operator in a program code?

1077


Write a function which takes as parameters one regular expression(only ? and * are the special characters) and a string and returns whether the string matched the regular expression.

1098


How many levels of indirection in pointers can you have in a single declaration?

1090


what are the 10 different models of writing an addition program in C language?

1897


Tell me the use of bit field in c language?

1071


What is fflush() function?

1138


Explain what is the use of a semicolon (;) at the end of every program statement?

1229


Which header file is used for clrscr?

1059


What is a program?

1266


What is a loop?

1055


When is a void pointer used?

1241


Difference between macros and inline functions? Can a function be forced as inline?

1275


if the area was hit by a virus and so the decrease in the population because of death was x/3 and the migration from other places increased a population by 2x then annually it had so many ppl. find our the population in the starting.

5237