C Interview Questions
Questions Answers Views Company eMail

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

TCS,

5 7570

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 10596

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 11136

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 14582

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

TCS,

9 17852

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 7292

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

TCS, ZenQ,

2 11978

# 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 18568

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 12692

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

TCS,

7 9798

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

Amdocs, TCS,

10 24428

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 9066

int *a[5] refers to

TCS,

12 22809

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 14156

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 24282


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Un-Answered Questions { C }

What does 4d mean in c?

943


What is class and object in c?

587


What is array of structure in c programming?

748


Write a simple code fragment that will check if a number is positive or negative.

704


regarding pointers concept

1567






Explain what is the difference between the expression '++a' and 'a++'?

624


Explain how are portions of a program disabled in demo versions?

649


How does pointer work in c?

613


What is a macro in c preprocessor?

624


Explain what is the difference between #include and #include 'file' ?

581


What is static function in c?

629


Why is python slower than c?

600


Why do we write return 0 in c?

549


How can I get random integers in a certain range?

609


Write a program of prime number using recursion.

613