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

C Interview Questions

Questions Answers Views Company eMail

write a program to display the numbers in the following 4 4 3 3 2 2 1 1 0 1 1 2 2 3 3 4 4

1 3667

write a program to display the numbers in the following format 4 4 3 3 3 3 2 2 2 2 2 2 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 2 2 2 2 2 3 3 3 4

IBM, NIIT, Winit,

9 15244

what is the output of the program and explain why?? #include void main ( ) { int k=4,j=0: switch (k) { case 3; j=300; case 4: j=400: case 5: j=500; } printf (“%d\n”,j); }

Oracle,

14 18560

What is the real time usage volatile?

Polycom,

2 6364

what are the stoge class in C and tel the scope and life time of it?

Tech Mahindra,

2 5848

What will be the result of the following program? char*g() { static char x[1024]; return x; } main() { char*g1="First String"; strcpy(g(),g1); g1=g(); strcpy(g1,"Second String"); printf("Answer is:%s", g()); } (A) Answer is: First String (B) Answer is: Second String (C) Run time Error/Core Dump (D) None of these

Oracle,

2 8364

. Consider the following program main() { int a[5]={1,3,6,7,0}; int *b; b=&a[2]; } The value of b[-1] is (A) 1 (B) 3 (C) -6 (D) none

Oracle,

9 22954

Given a piece of code int x[10]; int *ab; ab=x; To access the 6th element of the array which of the following is incorrect? (A) *(x+5) (B) x[5] (C) ab[5] (D) *(*ab+5} .

Oracle,

2 9331

What is the output of the following progarm? #include main( ) { int x,y=10; x=4; y=fact(x); printf(“%d\n”,y); } unsigned int fact(int x) { return(x*fact(x-1)); } A. 24 B. 10 C. 4 D. none

2 6215

What is the o/p of the follow pgm? #include main() { char char_arr[5]=”ORACL”; char c=’E’; prinf(“%s\n”,strcat(char_arr,c)); } a:oracle b. oracl c.e d.none

Oracle,

2 5495

#include main() { int a[3]; int *I; a[0]=100;a[1]=200;a[2]=300; I=a; Printf(“%d\n”, ++*I); Printf(“%d\n”, *++I); Printf(“%d\n”, (*I)--); Printf(“%d\n”, *I); } what is the o/p a. 101,200,200,199 b. 200,201,201,100 c. 101,200,199,199 d. 200,300,200,100

1 5044

What is 'makefile' in C langauage? How it be useful? How to write a makefile to a particular program?

2 8413

Is main() is used in the program,,see below example? void main() { int i; for(i=0;i<10;i++) main(); } Then what is the output of the program?

6 7564

What is the output for the below program? void main() { float me=1.1; double you=1.1; if(me==you) printf("love c"); else printf("know c"); }

7 10644

What is the output of the below program and how it is? void main() { static int var=5; printf("%d",var--); if(var) main(); }

MindFire, TCS, Tech Mahindra,

8 20102

Post New C Questions

Un-Answered Questions { C }

What is a volatile keyword in c?

1223

What is sizeof c?

1129

What is wrong with this program statement? void = 10;

1317

What is boolean in c?

1156

Explain why c is faster than c++?

1132

What is an arrays?

1142

How do you sort filenames in a directory?

1238

When would you use a pointer to a function?

1104

Explain what is the benefit of using an enum rather than a #define constant?

1280

Explain how do you print an address?

1209

What is multidimensional arrays

1178

Take an MxN matrice from user and then sum upper diagonal in a variable and lower diagonal in a separate variables. Print the result

1949

Draw a flowchart to produce a printed list of all the students over the age of 20 in a class .The input records contains the name and age of students. Assume a sentinel value of 99 for the age field of the trailer record

5270

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

2770

What is structure padding in c?

1194

For More Un-Answered { C } Questions Click Here