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Assignment No. 02 (GRADED) Semester: Fall 2013 CS609: System Programming-Due Date: 9/12/2013

Assignment No. 02
Semester: Fall 2013
System Programming-CS609


Total Marks: 20


Due Date: 09/Dec/2013

Graded Assignment


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 in any case.
  • If the submitted assignment does not open or file is corrupt, it will not be marked.
  • 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     

Question 1:

Serial port contains a special chip for input/output which can communicate in two different modes. Explore and describe these modes and which one is better in the serial communication.

Note: Solutions containing the image of any text will reward zero marks.

Question 2:                                                                                                                               Marks 04     

Data is written at UART internal Transmitter Holding Register. What do you think is the role of Transmit Shift Register and TxD line during this write operation?


Question 3:                                                                                                                               Marks 06     

DTE wants to communicate with the DCE using RS232C Protocol. How does this communication start and end?  Identify the steps involved from the starting signal to ending signal between DTE and DCE device.



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Replies to This Discussion

haha rightly asked Sonia Naz

what does mean by in Q:1 

Note: Solutions containing the image of any text will reward zero marks. ?

pic foramat me na ho

Only text mai answer dena hai?

is ka mtlb ap ne image snd nai krni.othrwise no. 0 mily ga

plz anyone tell me about modes, modes will b Asynchronous & synchronous for serial communication???????????

FRND instrustr keh rhehen serial port k nahi bal k chip that is used for input output by serial comunction'' k modes btane hn

yes sonia answer text format mai honaa chahye 

Yes two modes are Asynchronous & synchronous for serial communication

which one is better for serial communication?

  1. AOA FRNDS 1ST clrify what is tha special chip that serial port is used for input output.  ISTHIS UART?


The UART serial port (or just "serial port for short" is an I/O device.



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