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Friday, December 31, 2010

CS 610 Computer Networks Assignment # 03 Fall 2010

CS 610 Computer Networks
Assignment # 03
Fall 2010
Total Marks = 20
Deadline
Your assignment must be uploaded / submitted before or on January 5, 2011
Upload Instructions
Please view the assignment submission process document provided to you by the
Virtual University.
Rules for Marking
Please note that your assignment will not be graded if:
• It is submitted after due date
• The file you uploaded does not open
• The file you uploaded is copied from someone else or from internet
• It is in some format other than .doc
Objective
The assignment has been designed to enable you to develop the:
• Understanding about routing algorithms
Note: Material that is an exact copy from handouts or internet would be graded
zero marks. Your solution should consist of the material found through different
sources and written in your own words.
Assignment Statements:
a). Summarize the difference between classful IP address and classless IP
address in tabular format.
(Your answer should not increase more than one page)
(10 marks)
b.) Show your IP address by using DOS command “ipconfig” and answer the
following. (2 x 5 marks)
(i) Show your IP address and subnet mask
(ii) Convert the IP address and Subnet mask into binary representation.
(iii) What is the class of your IP address in classful scheme and why?
(iv) Find your host number and network number in classful and classless
scheme, also gives the reason to your answers.
(v) Given the address 23.56.7.91, find the beginning address i.e.
network address

Software Engineering-1 (CS504) Assignment # 3 )virtual university

Software Engineering-1 (CS504)
Assignment # 3
  Total marks = 20
                                                                                       Deadline Date = 05-01-2011

Please carefully read the following instructions before attempting the assignment.

Rules for Marking
It should be clear that your assignment would not get any credit if:

  • The assignment is submitted after due date.
  • The submitted assignment does not open or file is corrupt.
  • The assignment is copied. Note that strict action would be taken if the submitted assignment is copied from any other student. Both students will be punished severely.

1)      You should concern recommended books to clarify your concepts as handouts are not sufficient.
2)      You are supposed to submit your assignment in .doc format. Any other formats like scan images, PDF, Zip, rar, bmp, docx etc will not be accepted
3)      You are advised to upload your assignment at least two days before Due date.
4)      This assignment file comprises of Two (2) pages.


Important Note: 

Assignment comprises of 20 Marks. Note that no assignment will be accepted after due date via email in any case (whether it is the case of load shedding or emergency electric failure or internet malfunctioning etc.). Hence, refrain from uploading assignment in the last hour of the deadline, and try to upload Solutions at least 02 days before the deadline to avoid inconvenience later on.

For any query please contact: CS504@vu.edu.pk

Question No. 1

1)      What makes a “GOOD” software architecture”  [Marks 8]

2)      Are architectures influenced by background and experience of software architects? Explain. [Marks 8]


Question No. 2

“N-tier application architecture provides a model for developers to create a flexible and reusable application”, Comment (5 to 10 lines). [Marks 4]

Assignment No. 03 Semester FALL 2010 Advance Computer Architecture-CS501

Assignment No. 03
Semester FALL 2010
Advance Computer Architecture-CS501

Total Marks: 20

Due Date: 10/01/2011

Objective:
To learn and understand basic concepts of I/O subsystems, Input Output Interface, Programmed I/O, and Interrupt Driven I/O.

Instructions:
Please read the following instructions carefully before solving & submitting assignment:
Assignment should be in your own wordings not copied from net, handouts or books.
It should be clear that your assignment will not get any credit (zero marks) if:

o        The assignment is submitted after due date.
o        The submitted assignment does not open or file corrupt.
o        The assignment is copied (from other student or copy from handouts or internet).
o        Student ID is not mentioned in the assignment File or name of file is other than student ID.

For any query about the assignment, contact at cs501@vu.edu.pk

GOOD LUCK

 

  1. Suppose that a certain program takes 800 seconds of elapsed time to execute. Out of these 800 seconds, 590seconds is the CPU time and the rest is I/O time. What will be the I/O time?


  1. What is the difference between Daisy-Chained interrupt method and Parallel Priority interrupt method?