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

C Interview Questions

Questions Answers Views Company eMail

write a program to print the all 4digits numbers & whose squares must me even numbers?

Virtusa,

2 6841

What is the main differences between C and Embedded C?

9 60664

Write a C Programm.. we press 'a' , it shows the albhabetical number is 1, if we press 'g' it shows the answer 7.. any can help me

7 10471

We can draw a box in cprogram by using only one printf();& without using graphic.h header file?

NIIT,

4 11351

How can draw a box in cprogram without using graphics.h header file & using only one printf(); ?

NIIT,

4 10908

what are advantages of U D F?

Google,

1 2996

hi folks i m approching for h1 b interview on monday 8th of august at montreal and i m having little problem in my approval notice abt my bithdate my employer has made a mistake while applying it is 12th january and istead of that he had done 18 the of january do any body have any solution for that if yes how can i prove my visa officer abt my real birthdate it urgent please let me know guys thaks dipesh patel

1882

Print all numbers which has a certain digit in a certain position eg: number=45687 1 number=4 2 number=5 etc

4 5640

Reverse the part of the number which is present from position i to j. Print the new number. eg: num=789876 i=2 j=5 778986

1 3686

Reverse the part of the number which is present from position i to j. Print the new number.[without using the array] eg: num=789876 i=2 j=5 778986

2 4925

print the following using nested for loop. 5 4 3 2 1 1 2 3 4 3 2 1 1 2 1 2 1 1 2 3 4 3 2 1 1 2 3 4 5

IBM,

7 14189

Print all the palindrome numbers.If a number is not palindrome make it one by attaching the reverse to it. eg:123 output:123321 (or) 12321

HCL,

7 13398

C program to find all possible outcomes of a dice?

2359

C program to find frequency of each character in a text file?

6 37759

write a own function for strstr

LG Soft,

1 12019

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Un-Answered Questions { C }

What is infinite loop?

1086

Explain what is the most efficient way to store flag values?

1230

Why do we need a structure?

1037

This is a variation of the call_me function in the previous question:call_me (myvar)int *myvar;{ *myvar += 5; }The correct way to call this function from main() will be a) call_me(myvar) b) call_me(*myvar) c) call_me(&myvar) d) expanded memory

1269

What is the difference between null pointer and wild pointer?

1196

What is structure packing in c?

1082

In c programming typeing to occupy the variables in memory space. if not useing the variable the memory space is wasted.ok, how to avoid the situation..? (the variable is used & notused)

2125

What is the difference between mpi and openmp?

1292

Are c and c++ the same?

1057

What is #line in c?

1014

Explain what is wrong in this statement?

1123

What does double pointer mean in c?

1175

How important is structure in life?

1087

What is the purpose of main() function?

1249

What are the features of c languages?

1101

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