C Interview Questions
Questions Answers Views Company eMail

What are Storage Classes in C ?

TATA, TCS, CTS, IBM, Wipro, HP, Tamil Nadu Open University TNOU, Maharaja Whiteline,

32 100347

How the processor registers can be used in C ?

HP,

7 12240

What is an volatile variable?

HP,

15 28534

How to access or modify the const variable in c ?

HP, HCL,

16 28861

What is structure padding ?

HP,

3 26767

What is structure packing ?

HP,

2 11758

How to implement call back functions ?

HP,

3 7520

What is an anonymous union and where to apply that ?

HP,

3 7674

How to implement variable argument functions ?

HP,

1 6935

What are advantages and disadvantages of recursive calling ?

HP, College School Exams Tests, Jyoti Ltd, Sage, Wipro, Evolving Systems,

12 90649

How the C program can be compiled?

HP,

11 14251

What are the preprocessors?

HP,

8 11475

what are the various memory handling mechanisms in C ?

HP,

4 8929

what is a function pointer and how all to declare ,define and implement it ???

Honeywell,

4 8536

Give a fast way to multiply a number by 7

Microsoft, Aricent, Accenture,

15 40420


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Un-Answered Questions { C }

When should the register modifier be used? Does it really help?

96


What is the code in while loop that returns the output of given code?

89


Explain enumerated types in c language?

82


What is pointers in c with example?

72


Can you explain what keyboard debouncing is, and where and why we us it? please give some examples

1179






What is the use of getch ()?

66


void main(int n) { if(n==0) return; main(--n); printf("%d ",n); getch(); } how it work and what will be its output...............it any one know ans plz reply

1416


Why & is used in c?

78


How can I find the modification date of a file?

112


Is c high or low level?

70


What does %d do in c?

66


What is a sequential access file?

125


What is mean by Data Driven framework in QTP? Can any one answer me in details on this regard.

1275


How do you do dynamic memory allocation in C applications?

101


Which is the memory area not included in C program? give the reason

1011