Deloitte Placement Paper - Code and Logical Questions with Answers

Previous Years Solved Sample Placement Papers

1. What is the output in the following program?
   

   main() {
       char c = -64;
       int i = -32;
       unsigned int u = -16;
       if (c > i) {
           printf("pass1,");
           if (c)
               printf("pass2");
           else
               printf("Fail2");
       } else
           printf("Fail1");
       if (i)
           printf("pass2");
       else
           printf("Fail2");
   }
         

   (A) Pass1,Pass2
   (B) Pass1,Fail2
   (C) Fail1,Pass2
   (D) Fail1,Fail2
   (E) None of these
   Ans: C
   


2. In the process table entry for the kernel process, the process ID value is:
   (A) 0
   (B) 1
   (C) 2
   (D) 255
   (E) It does not have a process table entry
   Ans: A
   


3. Which of the following API is used to hide a window?
   (A) ShowWindow
   (B) EnableWindow
   (C) MoveWindow
   (D) SetWindowPlacement
   (E) None of the above
   Ans: A
   


4. What will the following program do?
   

   void main() {
       int i;
       char a[] = "String";
       char *p = "New String";
       char *Temp;
       Temp = a;
       a = malloc(strlen(p) + 1);
       strcpy(a, p); // Line number: 9 //
       p = malloc(strlen(Temp) + 1);
       strcpy(p, Temp);
       printf("(%s, %s)", a, p);
       free(p);
       free(a);
   } // Line number 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
   Ans: B
   


5. 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, MAXUINT, -1
   (D) same, MAXUINT, MAXUINT
   (E) not same, MAXINT, MAXUINT
   Ans: A
   


6. PATH = /bin:/usr:/yourhome
   The file /bin/calendar has the following line:
   

   cal 10 1997

   The file /yourhome/calendar has the following line:
   

   cal 5 1997

   If the current directory is /yourhome and "calendar" is executed:
   (A) The calendar for May 1997 will be printed on the screen
   (B) The calendar for Oct 1997 will be printed on the screen
   (C) The calendar for the current month (whatever it is) will be printed
   (D) Nothing will get printed on the screen
   (E) An error message will be printed
   Ans: B