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IBM C Interview Questions
Questions Answers Views Company eMail

What are Storage Classes in C ?

32 98561

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

28 69111

How do I declare a pointer to an array?

6 8882

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 15349

What is the result main() { char c=-64; int i=-32 unsigned int u =-16; if(c>i){ printf("pass1,"); if(c 9 8959






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 4806

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 5125

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 4441

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 5236

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 7357

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

7 22136

How to use c/c++ code in JAVA

10 14388

how many header file is in C language ?

43 52841

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 3293

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

17 14629

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IBM C Interview Questions





Un-Answered Questions

what are the important checks we need to do when using Automation Anywhere Web Record command?

1


What is the full form of ping?

1


What statement marks the end of an in-stream or catalogued procedure?

36


When will existing office365 users gain access to the office 2013 desktop suite?

1


What first made you want to be an engineer?

51






Differentiate activity-dependent and activity-independent costs? : co- cost center accounting

39


what is a sequential circuit?

36


Can You Use A Stored Procedure To Provide Data To An Ssrs Report?

3


What is a checkpoint?

251


How are BAPI different from Normal function modules ?

1002


Tell us what is personal accident cover? Does it cover anywhere in the world? : insurance sales

9


What is the command used to fetch first 5 characters of the string?

26


What is jdbc? Describe the steps needed to execute a sql query using jdbc.

23


Explain the foreign key?

38


Explain about Obj-Open method?

1