iNautix Technologies Technical-C Contributed by admin updated on Jun 2020
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Inautix C Unix Technical Questions

   Technical Questions

  • 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;
                         }w;
                        };
                    printf("%d\n",sizeof(l) );
              }
            Ans: 4

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

  • ain()
                   {
                     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)

  • *p++?
     Ans: increments Address

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

  • one question nothig but calling a function before it has been defined.

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