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IBM C Interview Questions
Questions Answers Views Company eMail

What are Storage Classes in C ?

32 96009

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

28 67654

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 14750

What is the result main() { char c=-64; int i=-32 unsigned int u =-16; if(c>i){ printf("pass1,"); if(c 9 8440


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 4597





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 4984

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 4138

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 4989

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 7043

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

7 21659

How to use c/c++ code in JAVA

10 13886

how many header file is in C language ?

43 50597

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 3101

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

17 13387

Average of a couple 10 years ago was 25. The average remains same after having a child and twins after 3 years. What is the present age of the first child

10 10919

Post New IBM C Interview Questions



Un-Answered Questions

100 computers ip how to calculate

926


What is SSL (Secured Sockets Layer) ?

725


Extraction in mm and SD and FI? What is the requirement and name them?

964


how can we communiucate as realistic a picture as possible of a job and of the organization to prospective emplyees? What kins of issues are most crucial to them?

844


why n when we use data abstraction???

1184






Expand SCERT

942


i completed my b.tech.i want to prepare for civils. when new batch classes will start at rc reddy. plz mail me rajesh.mc28@gmail.com

881


What is the requirement to give RFlow when using RID detector?

1772


what are the chemicals used in PFR and MFR to Process?

1958


_______________ Is an algorithm, a loop that continually moves in the direction of increasing value – that is uphill a) Up-Hill Search b) Hill-Climbing c) Hill algorithm d) Reverse-Down-Hill search

619


which data are need when microwave are linked in communication..???

1036


What are the business flows involved with service contract?

693


what is the difference b/w 4.7EE & ECC5.0?

1277


how do i add a column dynamically in a table by using java application?

815


 In A* approach evaluation function is a) Heuristic function b) Path cost from start node to current node c) Path cost from start node to current node + Heuristic cost d) Average of Path cost from start node to current node and Heuristic cost

416






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