2011 Siemens Placement Paper:

1. link between program and out side world (ms -win)

a)device driver and hardware disk
b)application and device driver
c)application and hardware device
d)none

2. after logout the process still runs in the background by giving the command

a)nohop
b)

3. process dies out but still waita

a)exit
b)wakeup
c)zombie
d)steep

4.n dynamic memory allocation we use

a) doubly linked list
b) circularly linked
c) B trees
d) L trees
e) none


5. To find the key of search the data structure is

a)hask key
b)trees
c)linked lists
d)records

6.

data base

employ_code salary employ_code leave from to

1236 1500 1238 --- ---237
1237 2000 1238 --- --- 1237
1238 2500 1237 --- 1237

select employ_code,employ_data ,leave the number of rows in the o/p

a)18
b)6
c)7
d)3

7. .which is true

a)bridge connects dissimiler LANand protocol insensitive
b)router " " " " "
c)gateway " " " " "
d)none of the above

8. What is RDBMS...Def

9. Two tables are given.In 1st table 2 columns are there.one isEmployee no,second is salary.In second table 3 columns are there,one is employee no,second is date,3rd is salary
Select employee no,from table1,table 2. How many records it will contain?.(This is somewhat difficult).

10. What is transaction?
TCP/IP:
1.X.25 protocol belongs to which layer.
2,Order all the 7 layers in sequence
3,One node has 2 IP address but data goes through only one link.What is the reason?
4,Router,Bridge,Gateway....Which one of these can not connect two different Lans and is protocol sensitive.

11. Client sends server---reqest or demand or -----Choices
are given.
Another section...
1.main(argc,argv)
{
if(argc<1)
printf("error");
else
exit(0);
}
If this program is compiled without giving any argument ,what it will print.

12. What are the static variables...def

13. What is Dynamic allocation ?

14. Dead lock condition...What may be the condition for it.

15. Semaphore variable?..def

16. Most of the Windows operating systems are....choices are given like

----a,maltitasking, multiuser, multi processing
b,only.......&......
c,only........&......
like that

17. Properties of object oriented,(just recall the name of the properties like inheritance,....

18. A program of C++,and two questions were based on the o/p of that program.