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

C Interview Questions

Questions Answers Views Company eMail

how we do lcm of two no using c simple if while or for statement

1 4955

Write a program to find the given number is odd or even without using any loops(if,for,do,while)

CNC, Gokul,

4 9958

what is call by value and call by reference

4 8097

How to find the given no is odd or even without checking of any condition and loops. (Hint: Using array)

4 8207

what is difference between overriding and overloading?

1 4867

what is calloc and malloc?

2 9171

What are local and global variables?

3 5438

What is the scope of static variables?

1 5227

What is the difference between static and global variables?

1 4073

What are volatile variables?

Mind Tree,

1 5099

what is the use of ‘auto’ keyword?

1 4184

How do we make a global variable accessible across files? Explain the extern keyword?

1939

what is a function prototype?

5 4628

what does keyword ‘extern’ mean in a function declaration?

Emerson,

1 5484

how do you write a function that takes a variable number of arguments? What is the prototype of printf () function?

TCS,

1981

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Un-Answered Questions { C }

What is %s and %d in c?

1107

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

1348

Add Two Numbers Without Using the Addition Operator

882

write a c program for swapping two strings using pointer

2690

what is reason of your company position's in india no. 1.

2411

Difference between linking and loading?

1156

Explain main function in c?

1137

What is the right type to use for boolean values in c? Is there a standard type? Should I use #defines or enums for the true and false values?

1105

how to introdu5ce my self in serco

2049

What is ## preprocessor operator in c?

1133

write a program that declares an array of 30 elements named "income" in the main functions. then cal and pass the array to a programmer-defined function named "getIncome" within the "getIncome" function, ask the user for annual income of 30 employees. then calculate and print total income on the screen using the following function: "void getIncome ( ai []);

2414

Why do we use namespace feature?

1121

Can you write a programmer for FACTORIAL using recursion?

1101

Explain threaded binary trees?

1214

What is character constants?

1231

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