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

C Interview Questions

Questions Answers Views Company eMail

What is ambagious result in C? explain with an example.

Infosys,

2634

Derive the complexity expression for AVL tree?

1 4179

what is difference between declaring the pointer as int and char in c language?

3 13492

wt is diference between int and int pointer as same as float and float pointer and char and char pointer

CTS, Infosys,

8 13472

write a c program to change only the 3rd bit of the particular number such that other bits are not affected.. if bitnum=10(say.. it can be any no..

Bosch, Mind Tree,

10 31119

What is key word in c language?

ABC,

4 10180

write the output of following code .. main() { static int a[]={10,20,30,40,50}; int *ptr=a; static int arr[2][2]={1,2,3,4}; char str[]="ABCD * 4#"; char *s=str+2; int i,j; for(i=0;i<5,i++) printf("%d",*ptr++); for(i=0;i<2;i++) for(j=0;j<2;j++) printf("%d\n",*(*(n+i)+j)); printf("%c\n%c\n%c\n",*(str+2),*s++,*--s); }

1 4261

what is c programing

Wipro,

11 15366

how to swap two nubers by using a function with pointers?

1 4205

Write a c program to Find the name that you entered is male name or female name? Such as Sunjay is name of male and Payal is name of female

Infosys, Luminous,

5 20546

swapping of two numbers without using third variable using AND and OR operators

2 7469

why integer range between -327680to+32767

2 9390

Write c-code for 5+55+555+5555+55555+555555+5555555. Output will be it's answer...

TCS,

4 25203

main() { int i=5; printf("%d%d%d%d",i++,i--,i); }

10 13331

main() { int i=0; while(+(+i--)!=0) i-=i++; printf(i); }

3 5146

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Un-Answered Questions { C }

Write a program to replace n bits from the position p of the bit representation of an inputted character x with the one's complement. Method invertBit takes 3 parameters x as input character, p as position and n as the number of positions from p. Replace n bits from pth position in 8 bit character x. Then return the characters by inverting the bits.

4211

What is the use of function in c?

1193

What is cohesion in c?

983

Can you please explain the difference between syntax vs logical error?

1190

List the different types of c tokens?

1074

Why double pointer is used in c?

1043

Is there any possibility to create customized header file with c programming language?

1065

Write the program that calculates and prints the average of several integers. Assume that the last value read is sentinel 9999.

3686

What is pivot in c?

1026

Explain the difference between structs and unions in c?

1026

Explain low-order bytes.

1038

What are variables c?

1053

What is calloc() function?

1093

What is FIFO?

1712

Are comments included during the compilation stage and placed in the EXE file as well?

1084

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