Sunday, 7 July 2013

What will be output if you will execute following c code?

1.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    char arr[7]="Network";
    printf("%s",arr);
   
}(A)     Network         
(B)       N        
(C)       network          
(D)       Garbage value
(E)       Compilation error       


Explanation: **
2.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    char arr[11]="The African Queen";
    printf("%s",arr);
   
}(A)     The African Queen    
(B)       The     
(C)       Queen 
(D)       null     
(E)       Compilation error       


Explanation: **
3.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    char arr[20]="MysticRiver";
    printf("%d",sizeof(arr));  
}(A)     20       
(B)       11       
(C)       12       
(D)       22       
(E)       24       


Explanation: **
4.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    int const SIZE=5;
    int expr;
    double value[SIZE]={2.0,4.0,6.0,8.0,10.0};
    expr=1|2|3|4;
    printf("%f",value[expr]);
}(A)     2.000000        
(B)       4.000000        
(C)       6.000000        
(D)       8.000000        
(E)       Compilation error       


Explanation: **
5.
What will be output if you will execute following c code?
#include<stdio.h>
enum power{
    Dalai,
    Vladimir=3,
    Barack,
    Hillary
};
void main(){
    float leader[Dalai+Hillary]={1.f,2.f,3.f,4.f,5.f};
    enum power p=Barack;
    printf("%0.f",leader[p>>1+1]); 
}(A)     1         
(B)       2         
(C)       3         
(D)       5         
(E)       Compilation error       


Explanation: **
6.
What will be output if you will execute following c code?
#include<stdio.h>
#define var 3
void main(){
    char *cricket[var+~0]={"clarke","kallis"};
    char *ptr=cricket[1+~0];
    printf("%c",*++ptr); 
}(A)     k         
(B)       a         
(C)       l          
(D)       i          
(E)       Compilation error       


Explanation: **
7.
What will be output if you will execute following c code?
#include<stdio.h>
#define var 3
void main(){
    char data[2][3][2]={0,1,2,3,4,5,6,7,8,9,10,11};
    printf("%o",data[0][2][1]);
}(A)     5         
(B)       6         
(C)       7         
(D)       8         
(E)       Compilation error       


Explanation: **
8.
What will be output if you will execute following c code?
#include<stdio.h>
#define var 3
void main(){
    short num[3][2]={3,6,9,12,15,18};
    printf("%d   %d",*(num+1)[1],**(num+2));
}(A)     12  15 
(B)       12  12 
(C)       15  15 
(D)       15  12 
(E)       Compilation error       


Explanation: **
9.
What will be output if you will execute following c code?
#include<stdio.h>
#define var 3
void main(){
    char *ptr="cquestionbank";
    printf("%d",-3[ptr]);
}(A)     100     
(B)       -100    
(C)       101     
(D)       -101    
(E)       Compilation error       


Explanation: **
10.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    long  myarr[2][4]={0l,1l,2l,3l,4l,5l,6l,7l};
    printf("%ld\t",myarr[1][2]);
    printf("%ld%ld\t",*(myarr[1]+3),3[myarr[1]]);
    printf("%ld%ld%ld\t" ,*(*(myarr+1)+2),*(1[myarr]+2),3[1[myarr]]);
   
}(A)     6   66   777     
(B)       6   77   667     
(C)       5   66   777     
(D)       7   77   666     
(E)       6   67   667     


Explanation: **
11.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    int array[2][3]={5,10,15,20,25,30};
    int (*ptr)[2][3]=&array;
    printf("%d\t",***ptr);
    printf("%d\t",***(ptr+1));
    printf("%d\t",**(*ptr+1));
    printf("%d\t",*(*(*ptr+1)+2));
}(A)     5   Garbage value   20   30     
(B)      
5    15    20    25         
(C)      
10   20    30    30        
(D)       5    15    20    30         
(E)      
Compilation error       


Explanation: **
12.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    static int a=2,b=4,c=8;
    static int *arr1[2]={&a,&b};
    static int *arr2[2]={&b,&c};
    int* (*arr[2])[2]={&arr1,&arr2};
    printf("%d %d\t",*(*arr[0])[1],  *(*(**(arr+1)+1)));
}(A)     2  4     
(B)       4  2     
(C)       4  8     
(D)       8  4     
(E)       8  2     


Explanation: **
13.
What will be output if you will execute following c code?
#include<stdio.h>
#include<math.h>
double myfun(double);
void main(){
    double(*array[3])(double);
    array[0]=exp;
    array[1]=sqrt;
    array[2]=myfun;   printf("%.1f\t",(*array)((*array[2])((**(array+1))(4))));
   
}
double myfun(double d){
       d-=1;
       return d;
}(A)     1.4      
(B)       2.8      
(C)       4.2      
(D)       3.0      
(E)       2.7      


Explanation: **
14.
What will be output if you will execute following c code?
#include<stdio.h>
#include<math.h>
typedef struct{
    char *name;
    double salary;
}job;
void main(){
    static job a={"TCS",15000.0};
    static job b={"IBM",25000.0};
    static job c={"Google",35000.0};
    int x=5;
    job * arr[3]={&a,&b,&c};
    printf("%s  %f\t",(3,x>>5-4)[*arr]);  
}
double myfun(double d){
       d-=1;
       return d;
}(A)     Google 35000.000000           
(B)       TCS  15000.000000   
(C)       IBM  25000.000000  
(D)       null   15000.000000   
(E)       Google   null  


Explanation: **
15.
What will be output if you will execute following c code?
#include<stdio.h>
union group{
    char xarr[2][2];
    char yarr[4];
};
void main(){
    union group x={'A','B','C','D'};
    printf("%c",x.xarr[x.yarr[2]-67][x.yarr[3]-67]);
}(A)     A        
(B)       B        
(C)       C        
(D)       D        
(E)       null     


Explanation: **
16.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    int a=5,b=10,c=15;
    int *arr[3]={&a,&b,&c};
    printf("%d",*arr[*arr[1]-8]);
}(A)     5         
(B)       10       
(C)       18       
(D)       Garbage value
(E)      
Compilation error       


Explanation: **
17.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    int arr[][3]={{1,2},{3,4,5},{5}};
    printf("%d %d %d",sizeof(arr),arr[0][2],arr[1][2]);
}(A)    
6  0 4  
(B)       6  1 5  
(C)       18 0 5 
(D)       18 1 5 
(E)       Compilation error       


Explanation: **
18.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    int xxx[10]={5};
    printf("%d %d",xxx[1],xxx[9]);
}(A)     0  5     
(B)       5  5     
(C)       5  0     
(D)       0  0     
(E)       Compilation error       


Explanation: **
19.
What will be output if you will execute following c code?
#include<stdio.h>
#define WWW -1
enum {cat,rat};
void main(){
    int Dhoni[]={2,'b',0x3,01001,'\x1d','\111',rat,WWW};
    int i;
    for(i=0;i<8;i++)
         printf(" %d",Dhoni[i]);
}(A)     2 98 3 513 29 73 0 -1 
(B)       2 98 3 513 30 73 1 -1 
(C)       2 99 3 513 29 73 1 -1 
(D)       2 98 3 513 29 73 1 -1 
(E)       Compilation error       


Explanation: **
20.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
    long double a;
    signed char b;
    int arr[sizeof(!a+b)];
    printf("%d",sizeof(arr))
}


(A)       8         
(B)       9         
(C)       1         
(D)       4         
(E)       Compilation error       



Explanation: **

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