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

C Interview Questions

Questions Answers Views Company eMail

how to swap two integers 1 and 32767 without using third variable

Microsoft, TCS,

11 16617

difference between ordinary variable and pointer in C?

2 10215

application attempts to perform an operation?

1978

how logic is used

1973

Write a C/C++ program that connects to a MySQL server and displays the global TIMEZONE.

2640

what is use of malloc and calloc?

1906

why programming language C is still used in operating system's kernel??

Wipro,

1 4069

c program to arrange digits in a no in ascending and descending order

1 20022

1.)how to find d most repeated word in a string? string ="how do you do"?? output should be do

AAS, Nagarro, Vuram,

1 20923

what value is returned to operating system after program execution?

2124

what will be maximum number of comparisons when number of elements are given?

1909

What is the output of the program #include #include void main() {0 int i,j=20; clrscr(); for(i=1;i<3;i++) { printf("%d,",i); continue; printf("%d",j); break; } getch(); }

CTS, Oracle,

4 9532

what is the c.

IBM, TCS,

3 5748

int n=1; while(1) { switch(n) { case 1:printf("a"); n++; continue; case 2:printf("b"); n++; continue; default : printf("c"); break; } break; }

1 5352

main() { int i; printf("%d",i^i); }

1 3328

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Un-Answered Questions { C }

What is ambagious result in C? explain with an example.

2638

Explain threaded binary trees?

1162

The process of repeatedly running a set of computer instructions until some condition is specifed a) condition b) sequential condition c) global d) iteration

1102

Write an algorithm for implementing insertion and deletion operations in a singly linked list using arrays ?

3522

#define MAX(x,y) (x) >(y)?(x):(y) main() { inti=10,j=5,k=0; k= MAX(i++,++j); printf("%d..%d..%d",i,j,k); }

1156

any "C" function by default returns an a) int value b) float value c) char value d) a & b

1087

How do I use void main?

1091

what is the diffrenet bettwen HTTP and internet protocol

1840

Write a program to check whether a number is prime or not using c?

1059

What are the 32 keywords in c?

1094

I was asked to write a program in c which when executed displays how many no.of clients are connected to the server.

2372

Can you please explain the difference between malloc() and calloc() function?

1124

What are types of functions?

1043

What is the symbol indicated the c-preprocessor?

1252

Can a variable be both static and volatile in c?

1044

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