Sun Microsystems

1. For the following program.

struct XXX
{int a;
float b;
char *s;
}X;

If optimization :X not used in compiler then unused bits_________________. 
Give your assumption_______________. 


2. Give the output of the following program

struct XXX
{int a:6;
float b:4;
char s;
}structure;

size of (structure); 


3.Class used for the multiple inheritence in JAVA_________________

(a) anonymous class
(b) inner class
(c) abstreet class
(d) none


4. XDR fixes in which part of OS1 stack.


5. LDAP is____________service protocol.


6. Given definition for a function which returns a array of pointers 
with argument of int*. 


7. Give a function declaration with no arguments which refers a two 
dimensional array


8. Pick up the correct function declaration.

1. void *[] name();
2. void int[][] name();
3. void ** name();
4. none of the above.


9. Give the difference between monolithic and microlithic kernal:

a. monolithic large
b. microlithic used in embedded systems.
c. none.


10. rPC coresponds to_______________in OSI stack.


11. Find the no.of page faults using LRU stack.

eg.3 4 4 6 7 8 1 2 .. ..


12.The inorder representation of a tree 41523 and preorder is 211513 Draw it?


13. When does a stack member will be initialised

(a) when object is created
(b) when object is initialised.
(c) doesnot depend on object.
(d) none.


14. Number of CPU in a multiprocess is contrassed by

(a) RISC nohere of CPU
(b) memory
(c) both (a) and (b)
(d) None of the above

15. Give the output of the following program

main()
{char *s;
s="hot java";
strcpy(s,"solarrs java")
}

16. Give the output of the following program

main()
{printf("hot java");
fork() 
exit(0);
}

(i). When redirected to a screen what will be printed.
(ii). When redirected to file what will be printed.


17. Give the output of the following program

main()
{int ret;
ret=fork();ret=fork();ret=fork();ret=fork();
if(!ret)
printf("sun");
else
printf("solaris");


18. Give the output of the following program

main()
{char *p='a';
int *i=100/*p;
}

what will be the value of *i= 1


19. Which data structure gives efficient search

1 B-tree
2 binary tree
3 array
4 linked list


20. Find the error in the following program

struct point
{struct point *next;
int data;
}
x;

main()
{int i;
for(x=p;x!=0;)
x=x->next,x++;
freelist(x);
} 

freelist(x)
{free(x);
return
}


21. Mutex and _________are similar locking mechanisms.


22. A complex question on pointers and functions.


23. SNMP and SMIP transport layer protocols for TCP/IP&OSI.


24 UNIX: difference between select and poll