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IBM C Interview Questions
Questions Answers Views Company eMail

What are Storage Classes in C ?

32 100269

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

28 70317

How do I declare a pointer to an array?

6 9168

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 15925

What is the result main() { char c=-64; int i=-32 unsigned int u =-16; if(c>i){ printf("pass1,"); if(c 9 9600






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 4914

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 5232

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 4655

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 5548

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 7790

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

7 22532

How to use c/c++ code in JAVA

10 14874

how many header file is in C language ?

43 54468

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 3439

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

17 15559

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IBM C Interview Questions


Un-Answered Questions

When we go for html server controls and when we go for web server controls?

77


What is a wage type? What are its characteristics?

80


Indicate the various quantities that can be measured with a multimeter.

95


What is the use of centralized administration work center?

1


Can anyone please provide me atleast two Support Tickets of SAP FICO?

1982






Write a program to sort the number with different sorts in one program ??

1388


What software is needed to process xml namespaces?

95


What ill be the shaft diameter with clearance having a bearing bore is 30mm?

1988


What are the components of web pages?

37


What is the current version of visual studio?

40


What is the metallurgical explanation of effects of chromium, nickel, molybdenum, and carbon in stainless steels?

72


Describe Non I.S. Earth System and why is it used?

714


types of laps in column

1360


What is 'rule of lapse'?

95


Should power factor be low or high?

92