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

C Interview Questions

Questions Answers Views Company eMail

Disadvantages of C language.

Impetus,

1107

Write a function that will take in a phone number and output all possible alphabetical combinations

Motorola,

1051

Write the Program to reverse a string using pointers.

InterGraph,

1021

What is the advantage of using #define to declare a constant?

Agilent, ZS Associates,

1096

Write a program on swapping (100, 50)

BPL,

1126

Write a program of advanced Fibonacci series.

Aspiring Minds,

1149

What are near, far and huge pointers?

Hexaware, Thomson Reuters, Virtusa,

1059

Write a program for Overriding.

1160

The file stdio.h, what does it contain?

1165

Implement bit Array in C.

GrapeCity,

1144

Given an array of 1s and 0s arrange the 1s together and 0s together in a single scan of the array. Optimize the boundary conditions?

Infosys,

1503

Write a program which returns the first non repetitive character in the string?

Expedia,

1127

Differentiate fundamental data types and derived data types in C.

HCL,

1036

Write a C program in Fibonacci series.

iNautix,

1092

Discuss the function of conditional operator, size of operator and comma operator with examples.

TCS,

1158

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Un-Answered Questions { C }

What is the scope of an external variable in c?

1050

What are the Advantages of using macro

1177

Explain the use of 'auto' keyword

1125

In c programming write a program that will print 10 multiples of 3 except 15,18,21 using looping

1514

Explain how to reverse singly link list.

1145

What are the advantages and disadvantages of c language?

1016

What is the scope of static variable in c?

1023

‎How to define structures? · ‎

1089

Difference between exit() and _exit() function?

1136

What is a pointer and how it is initialized?

1161

What is a structure in c language. how to initialise a structure in c?

1067

how should functions be apportioned among source files?

1103

Why isnt any of this standardized in c?

1084

What is the difference between int main and void main in c?

1180

What 'lex' does?

1184

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