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

C Interview Questions

Questions Answers Views Company eMail

In which area global, external variables are stored?

3 8288

what is inline function?

2 5407

why program counter is 16 bit?

3 6235

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 30931

can we define a function in structure?

2 6383

can we declare a function in side the structure?

HCL,

2 4497

can we initialize all the members of union?

2 8082

what is the structure pointer?

Accenture, HCL,

2125

where do we use volatile keyword?

1 4171

Find greatest of two numbers using macro

Bosch, Siemens,

4 37385

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 8099

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

HCL, Syntel, TCS,

2 6058

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

2 11010

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 12264

Can you write the algorithm for Queue?

College School Exams Tests, TCS,

2118

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Un-Answered Questions { C }

What is volatile, register definition in C

1109

Linked list is a Linear or non linear explain if linear how it working as a non linear data structures

2184

Suggesting that there can be 62 seconds in a minute?

1049

What is cohesion and coupling in c?

1033

Explain how do you sort filenames in a directory?

1042

What is an expression?

1059

How many levels of pointers can you have?

1194

what is stack , heap ,code segment,and data segment

2697

What is the size of a union variable?

1053

Tell us bitwise shift operators?

1094

Should I use symbolic names like true and false for boolean constants, or plain 1 and 0?

1069

How can I call a function with an argument list built up at run time?

1248

What are 'near' and 'far' pointers?

1045

What is build process in c?

1159

In which header file is the null macro defined?

1346

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