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Prepare 2 - Aptitude - General by inautix

Details of Prepare 2 - Aptitude - General by inautix conducted by inautix for job interview.
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C,C++ & Unix paper:

            C++ paper:

cin is an
a.function
b.object
c.class.  

what is the use of scope resolution operator?

advantage of inline function?

copy constructor is ans:call by value.                                                      

ques on vertual destructor?

inautix one ques?

one q, on container class?

con,t remember the ques but the ans is Virtual base class

         C paper

How will u terminate the statement? ans: ;

select the wrong one
a.a+=1;
b.a*=2;
c.a**=1;(ans)
d.a>>=1;

main()
{
  int n,i=1;
  switch(n)
     {
      case 1:
                some stuff;
      case 2:
                some stuff;
      default:
       i=10;
    }
 printf("i=%d",i);
 }
what will be value of i; ans:non of the above

4.pick ut the wrong one
   #typedef some stuff
    {
      ---
    };

pick ut the wrong one
#typedef some stuff
{
   ---
};

one q,s on do loop?

pick the odd one                                                                                         
a.malloc
b.calloc
c.new(ans)

char *ptr;
p=malloc(20);
How will u de allocate the memory?
a.delete.
b.free.

main()
{
   char **p=="Hello";
   printf("%s",**p);
}Ans: Garbage or nothing

main()
{
   printf("%d%c\n");
   printf("%d%c\n");
}Ans: Garbage Value

main()
{
   int x==5;
   printf("%d%d",x++,++x);
}Ans==6 6

 main()
{
   int x==4;
   printf("%d",printf(" %d %d ",x,x) );
}Ans: 4 4 5

main()
{
union 
{
   int i;
   char p; 
   struct                                                                                                        
{
   int t;
   char e;
   char o;
 };
};
 printf("%d\n",sizeof(l) );
}Ans: 4

 main()
{
   int i==0,n==6;
   while(n--0);
          i+==n;
          printf("%d\n",i);
  }Ans: -1

main()
{
    char a[]=="Hello";
    printf("%c\n",*a++);
}
Ans: Error

 a=3,b=2,c=1;
What,s the value of k?
k=  a< b < c-1;
Ans: 0

main()
{
        int a==3;
 do
{
   printf("%d", a);                                                                                                  
   a= 1;
 } while(a0);
}
Ans: 3

It is not "exact" Question; But the given Answers is:
a) PASS1 PASS2
b) PASS1 FAIL1
c)FAIL1 FAIL2
d)FAIL1 PASS2
main()
{
   char c==-32;
   int i==-64;
   unsigned u==-26;
   if(ci)
printf("PASS1");
  if( i < c)
        printf("PASS2");
else
       printf("FAIL1");
if(i<U)
    printf("PASS2");
else
     printf("FAIL2");
}Ans: PASS1 PASS2 PASS1

main()
{
int i==0;
for( i==0; i<= ;i++)
    {
        switch(i)                                                                                          
            {
            case 0: i+==5;
            case 1: i+==2;
            case 2: i+==5;
            default: i+==4;
            break;
    }
        printf("%d",i);
}
Ans: 16 21

main()
       {
         int i==4;
         switch(i)
           {
             case 1:
                       printf("HEllo"):
             case default: // "case" should not come with "default"
                  printf("****");
          }
   }
   Ans: Error

main()
      {
        int sum= 0,count;
        for(count= 1;sum+= count)
        printf("%d\t",sum);
        }
Ans: Error

#define cond(a) a=e && a<=0                                                                    
main()
        {
          char s=,R,;
          if( cond(s) )
              printf("UPPER CASE");
         else
             printf("LOWER CASE");
        } Ans:UPPER CASE

.main()
     {
       static int i==5;
       printf("%d\t",i--);
       if( i)
       main();
  }Ans: 5 4 3 2 1

main()
     {
       char *a1=="new",*a2=="dictionary",*t;
       swap(a1,a2); 
       printf("(%s%s)",a1,a2);
       t=;
       a1=;
       a2= t;
       printf("-(%s%s)",a1,a2);
    }
     swap( char *s1,char *s2)                                                                       
          {
             char *temp;
             s1==s2;
             s2=s1;
             temp= s1;
         }
  Ans: (newdictionary)-(dictionarynew)

 main()
       {
           char *a1= "new",*a2= "dictionary",*t;
           swap(a1,a2); 
           printf("(%s%s)",a1,a2);
           t=;
           a1=;
           a2=t;
           printf("-(%s%s)",a1,a2);
        }
        swap( char *s1,char *s2)
          {
            char *temp;
            s1= s2;
            s2= s1;
            temp= s1;
     }
       Ans: (newdictionary)-(dictionarynew)

main()
  {
    int a[]=={ 10,20,30,40,50};
    char*p==(char*)a;
    printf("%d", * ( (int *) p+4);                                                                       
   }Ans: 50

 

             UNIX paper:

  How will u do version maintaince? sccs(source code control system)

a program in shell script? find the o/p.

awk $2

which signal u can,t catch?ans:sigkill

core dump is due to ?ans:segmentation fault.                                            

.echo "todays date is ,date,"; o/p = ?

process synchronisation is done by ?ans:s,phore

process synchronisation is done by ?ans:s,phore