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

C Interview Questions

Questions Answers Views Company eMail

difference between loading and linking

1 3928

difference between object file and executable file

6802

can we execute the program with the object file

1 3877

Stimulate calculator using Switch-case-default statement for two numbers

Wipro,

3039

Diff between for loop and while loop?

TCS,

2 7539

How to write a C program to determine the smallest among three nos using conditional operator?

Google,

2 19261

Read two numbers from keyboard and find maximum of them?

1 3840

Write a pro-gramme to determine whether the number is even or odd?

1 3738

Find the highest of three numbers and print them using ascending orders?

1 4502

Stimulate calculators to perform addition,subtraction,multiplication and division on two numbers using if/else statement?

IBM,

1 7698

what is the difference between static variable and register variable?

3 40635

Example of friendly function in c++

2 6562

What is the difference between %d and %*d in C

3 5978

What is the exact difference between '\0' and ""

3 5421

#include int main() { char *str[]={"Frogs","Do","Not","Die","They","Croak!"}; printf("%d %d\n",sizeof(str),strlen(str)); ...return 0; } what will the output of the above program?

6 10585

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Un-Answered Questions { C }

How is a macro different from a function?

1247

Explain about C function prototype?

1142

Given below are three different ways to print the character for ASCII code 88. Which is the correct way1) char c = 88; cout << c << " ";2) cout.put(88);3) cout << char(88) << " "; a) 1 b) 2 c) 3 d) constant

1208

Tell us something about keyword 'auto'.

1109

How to throw some light on the b tree?

1153

Which built-in library function can be used to match a patter from the string?

1348

swap 2 numbers without using third variable?

1177

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

2044

Why do we use int main?

1143

Give basis knowledge of web designing ...

2060

What is a buffer in c?

1056

How can a program be made to print the name of a source file where an error occurs?

1267

1) write a program to generate 1st n fibonacci prime numbers using Nested if 2) write a program to generate twin prime numbers from m to n using nested if 3) write a program to check whether a given integer is a strong number or not using nested if 4) Write a program to generate prime factors of a given integer using nested if 5)write a program to generate prime numbers from m to n using nested if 6)write a program to generate perfect numbers from m to n using nested if 7)write a program to generate the pallindromes from m to n using neste if 8)write a program to generate armstrong numbers from m to n using nested if 9)write a program to generate strong numbers from m to n using nested if

4654

What is a char in c?

1041

What is character constants?

1231

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