1. Which of following operator can’t be overloaded.
a) ==
b) ++
c) ?!
d) <=
2. For the following C program
#include<iostream.h>
main()
{printf(“Hello World”);}
The program prints Hello World without changing main() ,the output should
be
intialisation
Hello World
Desruct
The changes should be
a) IOstream operator<<(iostream os, char*s)
os<<‘intialisation'<<(Hello World)<<Destruct
b)
c)
d) none of the above
3. CDPATH shell variable is in(c-shell)
4. The term stickily bit is related to
a) Kernel
b) Undeletable file
c) Both (a) and (b)
d) None
5. Semaphore variable is different from ordinary variable by
6. For the following C program:
swap(int x,y)
{ int temp;
temp=x;
x=y;
y=temp;}
main()
{int x=2;y=3;
swap(x,y);}
After calling swap, what are the values x & y?
7. Static variable will be visible in
a) Function. in which they are defined
b) Module in which they are defined
c) All the program
d) None
8. Unix system is
a) Multi processing
b) Multi processing, multiuser
c) Multi processing, multiuser, multitasking
d) Multiuser, multitasking
9. X.25 protocol encapsulates the follwing layers
a) Network
b) Datalink
c) Physical
d) All of the above
e) None of the above
10. TCP/IP can work on
a) Ethernet
b) Tokenring
c) (a) & (b)
d) None
11. A node has the IP address 138.50.10.7 and 138.50.10.9.
But it is transmitting data from node1 to node 2only.
The reason may be
a) A node cannot have more than one address
b) class A should have second octet different
c) class B should have second octed different
d) All of the above
12. The OSI layer from bottom to top
13. For an application which exceeds 64k the memory model should be
a) Medium
b) Huge
c) Large
d) None
14. The condition required for dead lock in unix system is
15. Set-user-id is related to (in unix)
16. Bourne shell has
a) History record****other choices not given
17. Which of the following is not true about C++
a) Code removably
b) Encapsulation of data and code
c) Program easy maintenance
d) Program runs faster
18. For the following C program
struct base {int a,b;
base();
int virtual function1();}
struct derv1:base
{int b,c,d;
derv1()
int virtual function1();}
struct derv2 : base
{int a,e;
}
base::base()
{a=2;b=3;
}
derv1::derv1()
{b=5;
c=10;d=11;}
base::function1()
{return(100);
}
derv1::function1()
{
return(200);
}
main()
base ba;
derv1 d1,d2;
printf(“%d %d”,d1.a,d1.b)
Output of the program is:
a) a=2;b=3;
b) a=3; b=2;
c) a=5; b=10;
d) none
19. For the above program answer the following q’s
main()
base da;
derv1 d1;
derv2 d2;
printf(“%d %d %d”,da.function1(),d1.function1(),d2.function1());
Output is:
a) 100,200,200;
b) 200,100,200;
c) 200,200,100;
d) None of the above
20. For the following C program
struct {
int x;
int y;
}abc;
x cannot be accessed by the following
1)abc–>x;
2)abc[0]–>x;
3)abc.x;
4)(abc)–>x;
a )1, 2, 3
b) 2 & 3
c) 1 & 2
d) 1, 3, 4
21. Automatic variables are destroyed after fn. ends because
a) Stored in swap
b) Stored in stack and poped out after fn. returns
c) Stored in data area
d) Stored in disk
22. Relation between x-application and x-server (x-win)
23. What is UIL(user interface language) (x-win)
24)Which of the following is right in ms-windows
a) Application has single qvalue system has multiple qvalue
b) Application has multiple qvalue system has single qvalue
c) Application has multipleqvalue system has multiple qvalue
d) None
25. Widget in x-windows is
26. Gadget in x_windows is
27. Variable DESTDIR in make program is accessed as
a) $(DESTDIR)
b) ${DESTDIR}
c) DESTDIR
28. The keystroke mouse entrie are interpreted in ms windows as
a) Interrupt
b) Message
c) Event
d) None of the above
29. Link between program and outside world (ms -win)
a) Device driver and hardware disk
b) Application and device driver
c) Application and hardware device
d) None
30. Ms -windows is
a)multitasking
b)multiuser
c) bothof the above
d) none of the above
31. Dynamic scoping is
32. After logout the process still runs in the background by giving the command
33. Which process dies out but still waits
a) Exit
b) Wakeup
c) Zombie
d) Sleep
34. In dynamic memory allocation we use
a) Doubly linked list
b) Circularly linked
c) B trees
d) L trees
e) None
35. To find the key of search the data structure is
a) Hash key
b) Trees
c) Linked lists
d) Records
36. Which of the following is true
a) Bridge connects dissimiler LANand protocol insensitive
b) Router connects dissimiler LANand protocol insensitive
c) Gateway connects dissimiler LANand protocol insensitive
d) None of the above
37. Read types of tree traversals.
38. Read about SQL/Databases
39.A DBMS table is given along with simple SQL statements. Find the output.
40. Simple programs on pointers in c