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IBM C Interview Questions
Questions Answers Views Company eMail

What are Storage Classes in C ?

32 115689

WHAT IS THE DIFFERENCE BETWEEN malloc() and calloc() in c file management?

28 79949

How do I declare a pointer to an array?

6 11877

Result of the following program is main() { int i=0; for(i=0;i<20;i++) { switch(i) case 0:i+=5; case 1:i+=2; case 5:i+=5; default i+=4; break;} printf("%d,",i); } } a)0,5,9,13,17 b)5,9,13,17 c)12,17,22 d)16,21 e)syntax error

8 26982

What is the result main() { char c=-64; int i=-32 unsigned int u =-16; if(c>i){ printf("pass1,"); if(c 9 18106


what will the following program do? void main() { int i; char a[]="String"; char *p="New Sring"; char *Temp; Temp=a; a=malloc(strlen(p) + 1); strcpy(a,p); //Line no:9// p = malloc(strlen(Temp) + 1); strcpy(p,Temp); printf("(%s, %s)",a,p); free(p); free(a); } //Line no 15// a) Swap contents of p & a and print:(New string, string) b) Generate compilation error in line number 8 c) Generate compilation error in line number 5 d) Generate compilation error in line number 7 e) Generate compilation error in line number 1

1 7587

In the following code segment what will be the result of the function, value of x , value of y { unsigned int x=-1; int y; y = ~0; if(x == y) printf("same"); else printf("not same"); } a) same, MAXINT, -1 b) not same, MAXINT, -MAXINT c) same , MAXUNIT, -1 d) same, MAXUNIT, MAXUNIT e) not same, MAXINT, MAXUNIT

1 7111

what will be the result of the following program ? char *gxxx() { static char xxx[1024]; return xxx; } main() { char *g="string"; strcpy(gxxx(),g); g = gxxx(); strcpy(g,"oldstring"); printf("The string is : %s",gxxx()); } a) The string is : string b) The string is :Oldstring c) Run time error/Core dump d) Syntax error during compilation e) None of these

2 10243

What will be result of the following program? void myalloc(char *x, int n) { x= (char *)malloc(n*sizeof(char)); memset(x,\0,n*sizeof(char)); } main() { char *g="String"; myalloc(g,20); strcpy(g,"Oldstring"); printf("The string is %s",g); } a) The string is : String b) Run time error/Core dump c) The string is : Oldstring d) Syntax error during compilation e) None of these

3 7492

What will be the result of the following program? main() { char p[]="String"; int x=0; if(p=="String") { printf("Pass 1"); if(p[sizeof(p)-2]=='g') printf("Pass 2"); else printf("Fail 2"); } else { printf("Fail 1"); if(p[sizeof(p)-2]=='g') printf("Pass 2"); else printf("Fail 2"); } } a) Pass 1, Pass 2 b) Fail 1, Fail 2 c) Pass 1, Fail 2 d) Fail 1, Pass 2 e) syntax error during compilation

10 11573

how to convert binary to decimal and decimal to binary in C lanaguage

7 25602

How to use c/c++ code in JAVA

10 18319

how many header file is in C language ?

44 69683

When do you say that a digraph is acyclic A)if and only if its first search does not have back arcs B)a digraph is acyclic if and only if its first search does not have back vertices C)if and only if its first search does not have same dfnumber D)None of these

1 4762

what is difference between ++(*p) and (*p)++

17 24336

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IBM C Interview Questions


Un-Answered Questions

Is it possible to create an asset class automatically? : fi- asset accounting

659


Does the extrusion process for a355 and a356 alloy effect on the amount of impact energy?

530


Why convertible securities are more attractive to investors?

610


What do you mean by boot & register method used in laravel 5?

407


What role does qa play in devops?

1






What is XML Namespace?

492


Why is not it correct to assert that dna self-replicates?

557


Write a SQL query to make a column as unique?

619


What should QA require of Development?

3684


What is the difference between = and == in python?

494


What is meant by method chaining?

652


What is the usage of service description layer in web service protocol stack?

349


How to generate random numbers with the rand() function in ms sql server?

558


We are looking for a truly inspiring Marketing and PR Executive, someone who can create a culture of open communication, trust and respect. What strategies would you implement to achieve this?

1480


What are the different deadline conditions?

460