Total No. of Questions—5] [Total No. of Printed Pages—3
Seat
No. [5361]-31
M.C.A. (Commerce Faculty) (Third Semester)
EXAMINATION, 2018
ADVANCED OPERATING SYSTEM
(2003 PATTERN)
Time Three Hours Maximum Marks 80
N.B. All questions are compulsory.
(ii All questions carry equal marks.
1. Answer the following (any four)
What do you mean by "Capturing the mouse" Explain application
function related to mouse capture.
Write a note on WM_PAINT.
Explain features of unix operating system.
Write different methods of creating menus. Explain the code
of any one.
Explain why virtual key codes were introduced by windows
programs.
2. State true or false and justify your answer (any four)
Peekmessage( write for a message to be placed in application
message queue before returning.
P.T.O.
[5361]-31 2
An application requiring input focus calls create during
WM_CREATE message.
Virtual addresses have a fixed range.
Windows runs on DOS operating system.
System menu of a window cannot be modified.
3. Answer the following (any eight)
Give difference between DOS and windows O.S. points)
Define caret.
Which are different window resources.
Explain pages and page table.
What are the fields of U-Area
What are the types of Pipe
Write syntax of chown and chmod.
Draw diagram for architecture of Unix O.S.
Give the contents of Process table.
What is Timer
4. Answer the following (any four)
Explain loop control statement of shell.
Click on 4 places and draw curve line.
Write a shell program to print factorial of numbers between
one to fifty.
[5361]-31 3 P.T.O.
Change the printing attributes (eg of child control
(e.g. 'Push button').
Write a program where when a mouse is dragged in client
area while pressing left mouse button, points are stored and
when button is released, a polygon is drawn joining all these
points.
5. Answer the following (any four)
Give difference between interrupts and exception.
What are the cases of reading and writing pipes
What do you mean by mounting and unmounting file
system
Explain sleep Algorithm.
Define Region. Enlist and explain the operations that can be
performed on Region.