C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

can any one tell that i have a variable which is declared as static but i want this variable to be visible to the other files? how?

2 4587

what is diffrence between string and character array?

1 4182

GIVEN A FLOATING POINT NUMBER HOW IS IT ACTUALLY STORED IN MEMORY ? CAN ANYONE EXPLAIN?? THE 32 BIT REPRESENTATION OF A FLOATING POINT NUMBER ALLOTS: 1 BIT-SIGN 8 BITS-EXPONENT 23 BITS-MANTISSA

1848

i want to asked a question about c program the question is: create a c program that displays all prime numbers less than 500? using looping statement

5 8317

what is the value of b if a=5; b=++a + ++a

Infosys, TCS, Tech Mahindra,

31 62760

Write a c program to find, no of occurance of a given word in a file. The word is case sensitive.

2 8251

create a C program that displays one z,two y's,three x's until twenty six A's. plzz answer i need it tomorrow.

4 6031

what will be the output for the following program? main() { char ch = 'k'; char c; printf("%c",c); }

3 5957

union { char ch[10]; short s; }test; test.s = 0xabcd; main() { printf("%d",ch[10]); }

3 5588

extern static int i func() { i =10; i++; printf("%d \n",i); } main() { i =20; printf("%d \n",i); func(); printf("%d \n",i); }

2 6929

Write a program to display the no of bit difference between any 2 given numbers eg: Num1 will 12->1100 Num2 will 7->0111 the difference in bits are 2.

4 6272

A.C func() { pritnf(" in fuction %d",MACRO); } MAIN.c testfunc() { #define MACRO 10 printf("in test function %d", MACRO); } main() { printf("in main %d",MACRO); func(); testfunc(); getch(); }

Wipro,

2 4730

typedef struct { int i:8; char c:9; float f:20; }st_temp; int getdata(st_temp *stptr) { stptr->i = 99; return stptr->i; } main() { st_temp local; int i; local.c = 'v'; local.i = 9; local.f = 23.65; printf(" %d %c %f",local.i,local.c,local.f); i = getdata(&local); printf("\n %d",i); getch(); } why there there is an error during compiling the above program?

1 7782

Can i use Two or More Main Funtion in any C program.?

4 8518

Why the below program throughs error during compilation? #include #include enum { ZERO, ONE, TWO, }; main() { printf("%d",&TWO); getch(); }

2 4383

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Un-Answered Questions { C }

Explain what are the standard predefined macros?

1088

How does pointer work in c?

1091

what is the difference between class and unio?

2318

What is gets() function?

1089

What is the purpose of realloc()?

1101

What is switch in c?

1051

What is header file in c?

1037

What are the different categories of functions in c?

1107

Why static is used in c?

1046

What is wrong with this code?

1145

What are unions in c?

991

Why do we use int main?

1054

What is the heap in c?

1040

a program that can input number of records and can view it again the record

1875

What is the difference between formatted&unformatted i/o functions?

1018

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