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 6848

What is the main differences between C and Embedded C?

9 60678

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 10473

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

NIIT,

4 11353

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

NIIT,

4 10914

what are advantages of U D F?

Google,

1 3001

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 5649

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 3692

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 4926

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 14193

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 13414

C program to find all possible outcomes of a dice?

2363

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

6 37769

write a own function for strstr

LG Soft,

1 12020

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Un-Answered Questions { C }

What are run-time errors?

1120

What is the right type to use for boolean values in c?

1036

Where define directive used?

1097

Explain what is the heap?

1058

What could possibly be the problem if a valid function name such as tolower() is being reported by the C compiler as undefined?

1283

Explain the difference between malloc() and calloc() in c?

1051

Explain how do you override a defined macro?

1078

What is a pointer and how it is initialized?

1161

What are variables c?

1055

Tell us the use of fflush() function in c language?

1145

Is c programming hard?

1033

Can we change the value of #define in c?

1000

What are header files and what are its uses in C programming?

1241

What is a MAC Address?

1063

Write a program in c to replace any vowel in a string with z?

1128

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