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C Interview Questions
Questions Answers Views Company eMail

In which area global, external variables are stored?

3 5286

what is inline function?

2 3243

why program counter is 16 bit?

3 3680

void main() { int a=1; printf("%d %d %d",a,++a,a++); } the output is supposed to be 1 2 2....but it is 3 3 1 this is due to calling conventions of C. if anyone can explain me how it happens?

7 20011

can we define a function in structure?

2 4240

can we declare a function in side the structure?

HCL,

2 2800

can we initialize all the members of union?

2 5738

what is the structure pointer?

Accenture, HCL,

1222

where do we use volatile keyword?

1 2716

Find greatest of two numbers using macro

Bosch, Siemens,

4 31766

what will be the output of this program........ main() { int a=2,b=4,c=6; printf("%d"); } why it gives the value of third variable.

HCL,

6 4190

increment operateor (++)and decrament(--) #include #inclide main() { int x=15; while(x!=0) scanf("%d",&x); {

HCL, Syntel, TCS,

2 3588

Describe for loop and write a c program to sum the series X + x2/2! + x3 /3! + …….. up to fifteen terms.

2 8902

Develop a flow chart and write a c program to find the roots of a quadratic equation ax2+bx+c=0 using switch and break statement.

TCS,

1 10817

Can you write the algorithm for Queue?

College School Exams Tests, TCS,

1106


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Un-Answered Questions { C }

Is main a keyword in c?

175


What is c definition?

162


Write a function expand(s1,s2) that expands shorthand notations like a-z in the string s1 into the equivalent complete list abc...xyz in s2 . Allow for letters of either case and digits, and be prepared to handle cases like a-b-c and a-z0-9 and -a-z. z-a:zyx......ba -1-6-:-123456- 1-9-1:123456789987654321 a-R-L:a-R...L a-b-c:abbc

3867


Is it better to use a macro or a function?

180


What is the heap?

167






How can I handle floating-point exceptions gracefully?

166


‎How to define structures? · ‎

134


What is volatile variable in c?

113


Is anything faster than c?

134


Why void is used in c?

110


The statement, int(*x[]) () what does in indicate?

167


Can you add pointers together? Why would you?

169


What are c header files?

135


List the difference between a "copy constructor" and a "assignment operator"?

192


How do I send escape sequences to control a terminal or other device?

146