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

C Interview Questions

Questions Answers Views Company eMail

What are the advantages of using Unions?

IBS,

1121

How do you print an address?

TCS,

1272

In header files whether functions are declared or defined?

TCS,

1 1866

What are Macros? What are its advantages and disadvantages?

TCS,

1164

What are the differences between Structures and Arrays?

TCS,

1216

What is static identifier?

TCS,

1224

How can you determine the size of an allocated portion of memory?

Aspire, Infogain,

1306

Is it better to use malloc() or calloc()?

Aspire, Infogain,

1116

What is the difference between NULL and NUL?

Aspire, Infogain,

1293

What is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used?

Aspire, Infogain,

1125

What will the preprocessor do for a program?

Aspire, Infogain,

1077

When should a far pointer be used?

Aspire, Infogain,

1132

What do the functions atoi(), itoa() and gcvt() do?

Aspire, Infogain,

1189

What is a null pointer assignment error? What are bus errors, memory faults, and core dumps?

Aspire, Infogain,

1436

Which header file should you include if you are to develop a function which can accept variable number of arguments?

TCS, TISL,

1401

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Un-Answered Questions { C }

What are header files? What are their uses?

1218

What are derived data types in c?

1090

What is the maximum length of an identifier?

1186

Why doesnt this code work?

1064

Explain how can you restore a redirected standard stream?

1102

Can you subtract pointers from each other? Why would you?

962

Describe wild pointers in c?

1118

Please send me WIPRO technical question to my mail ID.. its nisha_g28@yahoo.com please its urgent

2130

Write a C program to help a HiFi’s Restaurant automate its breakfast billing system. Your assignment should implement the following items: a. Show the customer the different breakfast items offered by the HiFi’s Restaurant. b. Allow the customer to select more than one item from the menu. c. Calculate and print the bill to the customer. d. Produce a report to present your complete program and show more sample output. Assume that the HiFi’s Restaurant offers the following breakfast menu: Plain Egg $2.50 Bacon and Egg $3.45 Muffin $2.20 French Toast $2.95 Fruit Basket $3.45 Cereal $0.70 Coffee $1.50 Tea $1.80

3131

What is static memory allocation? Explain

1100

What is chain pointer in c?

1060

What is meant by inheritance?

1090

Differentiate between #include<...> and #include '...'

1060

What is the difference between array and linked list in c?

1160

What is const keyword in c?

1165

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