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

C Interview Questions

Questions Answers Views Company eMail

With the help of using classes, write a program to add two numbers.

TCS,

1077

Explain pointer. What are function pointers in C?

HCL,

1145

What are valid signatures for the Main function?

1290

Describe the complexity of Binary search, Quicksort and various other sorting and searching techniques..

Huawei,

1070

How can you be sure that a program follows the ANSI C standard?

Aspire, Infogain,

1656

How many levels of indirection in pointers can you have in a single declaration?

Agilent, ZS Associates,

1142

How would you rename a function in C?

Tech Mahindra,

1085

Can you apply link and association interchangeably?

InterGraph,

1175

What are the different types of C instructions?

InterGraph,

1370

What are pointers in C? Give an example where to illustrate their significance.

Wipro,

1272

What is New modifiers?

NA,

1185

Differentiate between new and malloc(), delete and free() ?

iNautix,

1231

What are structures and unions? State differencves between them.

iNautix,

1250

Give me the code of in-order recursive and non-recursive.

DELL,

1421

Can you explain the four storage classes in C?

TCS,

1165

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Un-Answered Questions { C }

Explain what are the __date__ and __time__ preprocessor commands?

1156

What is new line escape sequence?

1395

Explain how can you tell whether a program was compiled using c versus c++?

1144

Explain how can I right-justify a string?

1091

What are the application of void data type in c?

1231

If a variable is a pointer to a structure, then which operator is used to access data members of the structure through the pointer variable?

1309

What is the use of #include in c?

1126

What is the difference between text files and binary files?

1394

When is the “void” keyword used in a function?

1577

what type of questions arrive in interview over c programming?

2081

How do I swap bytes?

1118

Which one to choose from 'initialization lists' or 'assignment', for the use in the constructor?

1133

Tell me when is a void pointer used?

1239

Do you know the use of fflush() function?

1102

What is bubble sort technique in c?

1037

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