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 4586

what is diffrence between string and character array?

1 4181

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

1846

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 8316

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

Infosys, TCS, Tech Mahindra,

31 62753

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

2 8246

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 6027

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

3 5954

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 6270

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 4728

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 7779

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

4 8515

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

2 4382

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Un-Answered Questions { C }

What do you mean by command line argument?

1112

Explain how can I manipulate strings of multibyte characters?

1171

Can a variable be both static and volatile in c?

988

What does the format %10.2 mean when included in a printf statement?

1606

Linked list is a Linear or non linear explain if linear how it working as a non linear data structures

2133

console I/O functions means a) the I/O operations done on disk b) the I/O operations done in all parts c) the input given through keyboard is displayed VDU screen d) none of the above

1113

How can type-insensitive macros be created?

1140

Describe the complexity of Binary search, Quicksort and various other sorting and searching techniques..

999

Where static variables are stored in c?

1061

What is the best way to comment out a section of code that contains comments?

1282

Write a program to swap two numbers without using third variable?

1259

What is #define used for in c?

1027

If a five digit number is input through the keyboard, write a program to print a new number by adding one to each of its digits.For example if the number that is input is 12391 then the output should be displayed as 23402

3867

What is meant by preprocessor in c?

965

c program for searching a student details among 10 student details

2053

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