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

C Interview Questions

Questions Answers Views Company eMail

Write a C/C++ program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the maximum number of concurrent threads that the InnoDB plug-in can create.

IBM,

1942

Go through this linked list concept.While traversing through the singly linked list sometimes the following code snippet "while(head != NULL)" is used and other times "while(head->link != NULL)"is used(Here head is the pointer pointing to the first node,node has two parts data part and link part).What is the difference between head != NULL and Head->link != NULL and in which situation are they used?

Oracle,

1 3869

Which weighs more, a gram of feathers or a gram of gold?

2 5051

There are 8 billiard balls, and one of them is slightly heavier, but the only way to tell was by putting it on a weighing scale against another. What's the fewest number of times you'd have to use the scale to find the heavier ball?

Microsoft, TCS,

5 9156

I didn't count the ducks that I saw in line, but I do remember that one duck was in front of two ducks, another duck behind two ducks. How many ducks did I see?

2 6464

program in c to print 1 to 100 without using loop

Wipro,

9 11650

. Write a program to get a string and to convert the 1st letter of it to uppercase

HTC,

2 6563

what is a function method?give example?

2368

Code for calculating square root without using library function, of math.h

IBM,

4 28018

main() { int a; a=++100; printf("%d",a); getch(); }

4 6276

print the palindrome numbers in between 0 to n

1 3553

write a program to reverse a every alternetive words in a string in a place. EX: Input is "this is the line of text" Output should be "shit is eht line fo text" Please any one tell me code for that.

TCS,

2103

write a c program that if the given number is prime, and their rearrangement(permute) of that number is also prime. Ex: Input is "197" is prime Output: 791,917,179 is also prime. Please any one tell me tha code for that

3 5755

void main(int n) { if(n==0) return; main(--n); printf("%d ",n); getch(); } how it work and what will be its output...............it any one know ans plz reply

2794

What is the difference between specifying a constant variable like with constant keyword and #define it? i.e what is the difference between CONSTANT FLOAT A=1.25 and #define A 1.25

1985

Post New C Questions

Un-Answered Questions { C }

Differentiate between #include<...> and #include '...'

1062

What is substring in c?

1207

What is character set?

1172

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

1077

A SIMPLE PROGRAM OF GRAPHICS AND THEIR OUTPUT I WANT SEE WAHAT OUTOUT OF GRAPHICS PROGRAM

2133

What is the function of this pointer?

1345

Why doesnt long int work?

1043

What does c mean in standard form?

1185

What is the use of c language in real life?

1027

Can true be a variable name in c?

1043

What is restrict keyword in c?

1116

What is bash c?

1012

Compare and contrast compilers from interpreters.

1119

What is a const pointer in c?

1132

What is pre-emptive data structure and explain it with example?

3734

For More Un-Answered { C } Questions Click Here