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

C Interview Questions

Questions Answers Views Company eMail

can we store values and addresses in the same array? explain

TCS,

3 12232

what is the difference between NULL('\0') and 0?

Microsoft,

14 21108

IS it possible to define a zero sized array in c.if it is possible how can the elements of that array can be accessed.array index starts from zero,if it is possible to define zero sized array how can be its first element can be accesseed.

TCS,

5 8412

what is function pointer?

Wipro,

2 5662

write a c program to convert fahrenheit to celsius?

TCS,

4 13505

There is a mobile keypad with numbers 0-9 and alphabets on it. take input of 7 keys and then form a word from the alphabets present on those keys.

3735

Write a program to print distinct words in an input along with their count in input in decreasing order of their count

2611

write a program to convert a expression in polish notation (postfix) to inline (normal) something like make 723+* (2+3) x 7 (not sure) just check out its mainly printing expression in postfix form to infix

3471

Program to simulate second clock

2 4227

to convert a string without using decrement operater and string functions

1 3748

main() { printf("\n %d %d %d",sizeof('3'),sizeof("3"),sizeof(3)); }

6 12687

What is the difference between i++ and i+1 ?(in terms of memory)

HCL,

3 12531

Difference between for loop and while loop?

1 4767

1 1 1 1 2 1 1 3 3 1 1 4 6 4 1

1 3324

1 1 1 1 2 1 1 3 3 1 1 4 6 4 1

3 4306

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Un-Answered Questions { C }

What is meant by type casting?

1106

Explain what are run-time errors?

1145

please give me a VIRTUSA sample palcement papers.... you will only send TECHNICAL SECTION..... that is help for me Advance Thanks........................

2097

How do I determine whether a character is numeric, alphabetic, and so on?

1186

What is dynamic dispatch in c++?

1108

What are logical errors and how does it differ from syntax errors?

1352

write a program using linked list in which each node consists of following information. Name[30] Branch Rollno Telephone no i) Write the program to add information of students in linked list

2867

Explain what header files do I need in order to define the standard library functions I use?

1229

What does p mean in physics?

1097

in linking some of os executables are linking name some of them

2201

while loop contains parts a) initialisation, evalution of an expression,increment /decrement b) initialisation, increment/decrement c) condition evalution d) none of the above

1307

What is actual argument?

1103

What is structure pointer in c?

1092

Why is c fast?

1122

What is signed and unsigned?

1124

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