CS604 Operating System Assignment No.1 Solution Spring Semester 2013

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CS604 Operating System Assignment No.1 Solution Spring Semester 2013


Assignment No. 01
Spring 2013
CS604
(Operating System)

Total Marks: 15

Due Date:
30
th

April 2013

Objectives:
To Learn and understand the basic concept of op
erating system structure and functions.
Lecture Covered:
Lecture # 1 to 6
Instructions:
Please read the following instructions ca
refully before submitting assignment:

You will submit your assignment before or on due date on VU-LMS.

Assignment should be completed by your own efforts it should not be copied from internet, handouts or
books.

You should submit your Word File via assignment interface at VU-LMS.

Assignment sent via Email will not be replied and accepted/graded in any case.

If the submitted assignment does not open or
file is corrupt, it will not be graded.
For any query about the assignment, contact at
cs604@vu.edu.pk
GOOD LUCK

Marks: 15
Question 1:
Let us point out some events that cause the kernel co
de to invoke in order to manage computer resources
(like I/O devices memory and stor
age management) and control user programs to prevent errors and
improper use of a computer system. Write their names.
[Marks : 02]

Question 2:
Operating System “XYZ” installed on a computing mach
ine. .”ABC” serves as an intermediary between
the hardware of the system and users. During the ex
ecution of a program or
process, CPU generates
different signals. You have to identify how do theses signals are handled
by the operating system “XYZ”?
[Marks : 03]
Question 3:
General Electric (GE) is leading
electronic company .They have 10 thou
sand employees. At the end of each
month they need to get payroll prints. Once payroll
data are submitted to comp
uter, left running without
human interaction.
Being a student of operating system, you know OS is al
so scheduled the jobs. If there are numbers of jobs
having same type and resource requirements that are rea
dy to run. Keep in mind
the above scenario, you
need to identify in which system, these jobs are run easily.
[Marks : 05]
Question 4:
Categorize the following examples in
to Interrupt, signal and traps:
1.
Ali is typing Alphabets in no
tepad by hitting keystroke.
2.
Ayesha opening a folder from desktop by double clicking mouse.
3.
Ahmad write a code in c language, like a=b/0.
4.
Fatima is compiling a C program an error occurs
Invalid memory access or buffer overflow.
5.
While running a program ,you press <Ctrl-C>.
[Marks : 05]

Note:Be precise in your answer, write to the point. Deadline:Your assignment must be uploaded/submitted at or before Tuesday, 30th April 2013.