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CS609 System Programming Assignment No. 01 Solution and Discussion Spring 2014 Due Date 09/May/2014

 Assignment No. 01
Semester: Spring 2014
System Programming-CS609


Total Marks: 20


Due Date: 09/May/2014



Please read the following instructions carefully 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 .doc 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.
  • You will submit solution only in document (.doc or .docx) File.




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For any query about the assignment, contact at cs609@vu.edu.pk

Assignment Questions


Question 1:                                                                                                                               Marks 10     


Answer the following questions precisely. Do not include irrelevant data in your answers. Any answer with more than three lines will neglect your marks. (2 marks for each)

Q1. Where are the interrupt vectors located in the microprocessors memory?

Q2. Which interrupt vectors are reserved by Intel?

Q3. Explain the operation of IRET instruction.

Q4. List the events that occur when an interrupt becomes active.

Q5. Explain the purpose of the trap flag (TF).


Question 2:                                                                                                                               Marks 10     


Write a C program that should write the value of 'z' in the keyboard buffer whenever the letter 'a' is pressed from keyboard.




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Replies to This Discussion

kiya yah jo uper wala code hay theak hay kay nahi tell me

yup team means team viewer

no, its ok..


after ruuning this code,i can be able to tell...its right or not..

ok but 100% code theek hy typing mistake ho jaye wo alag hy 

Mohid kia pa code send kar sakte ho jo run ho raha hon or han agr team viewr mai ap change kar do to reply me

solve these 3 errors plz urgent

yar ye pc ka issue hy code bilkul theek hy yeho code ap daal do file main no issue ager kisi ko yakeen na ho thn mere team per aa kr check kr lay its running 

yeah..m think so..

Anyways, thanks for help to others.

OK Bro. thanx


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