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IBM C Interview Questions
Questions Answers Views Company eMail

What are Storage Classes in C ?

32 98102

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

28 68795

How do I declare a pointer to an array?

6 8829

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 15227

What is the result main() { char c=-64; int i=-32 unsigned int u =-16; if(c>i){ printf("pass1,"); if(c 9 8859






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 4770

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 5090

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 4376

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 5198

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 7290

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

7 22046

How to use c/c++ code in JAVA

10 14298

how many header file is in C language ?

43 52422

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 3253

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

17 14373

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IBM C Interview Questions





Un-Answered Questions

Who is the Father of JSON ?

1


what is the relationship between cost accounting financial accounting and managerial accounting?

7


Explain the project tree in test director?

5


Difference between a thread and process?

29


Difference between role and profile? : salesforce admin

3






What is a bloom filter?

1


How can deduct tds from auction cases (timber)

963


Design a transmission gate based xor.

11


Why do we use multipart/form-data in html form?

11


My Client has a special requirement.That is How to transfer An Asset from One Plant to another Plant? Here, (Plant=Profit Center).Accumulated Depreciation amount must be transferred from One Profit Center to another Profit Center.( This is the requirement).

1163


What is a module and package in python?

17


What is the difference between del() and remove() methods of list ?

1


what is index?how it can work in informatica

968


State the importance of xml- based layouts?

9


What is the difference between search box search and search/match?

7