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Assignment No. 5 
Semester Spring 2012
Data Communication - CS601


Total Marks: 20


Due Date: 00-07-2012


Objective: To understand the concept related to the error detection mechanism.



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 (marks) if:


  • The assignment is submitted after due date.
  • The submitted assignment does not open or file is corrupt.
  • The assignment is copied (from other student or copied from handouts or internet).
  • 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






Q. 1. Suppose a sender sent a word “assignment” for which the receiver received the following binary:



By applying the complete process of LRC using even parity, you are required to check that, is the same word received by the receiver or not? Also write the word received by the receiver.


Binary Code


Binary Code


Binary Code


Binary Code


0110 0001


0110 1000


0110 1111


0111 0110


0110 0010


0110 1001


0111 0000


0111 0111


0110 0011


0110 1010


0111 0001


0111 1000


0110 0100


0110 1011


0111 0010


0111 1001


0110 0101


0110 1100


0111 0011


111 1010


0110 0110


0110 1101


0111 0100




0110 0111


0110 1110


0111 0101




Table 1





HINT: First convert the word “assignment” into binary equivalent with the help of the given table 1.

The LRC calculated by the sender is not appended with the given binary. It is also your task to calculate the LRC by yourself.






  • Assignment should be in your own wordings not exactly copied from Internet, handouts or books.


  • Your answer should be “to the point”.


Views: 6590

Replies to This Discussion

is mein yehi likhna hai k sender nay word assignment but receiver nay aisignnent word receive so there is error in the transmission

aap in ki LRC calculate karna hea

Aqsa  and  tehreem sis..

wo to mujy b samaj a rahi ha k word assignment ko binary main convert ker k is LRC  with even parity lena ha lakin meri prob ye ha k receiver ko word aisignnent  kun mily ga..

receiver ko word aisignnent is liye milay ga kiun k sending hotay huay binary stream corrupt ho gai hay..

Please see the attached file for the solution ...... thnx!


can you tell word jo receive huwa ha wo kaisy find kia ha...?

jo word receive hua hay us ki binary stream hamen assignment file main di gai hay, ap us ko table ki help say word equivalent find kar len..

Sweet Butt

assignment k question mein aik pora binary code dia hoa hai ..... us binary code ko daikhtay hoe jb uskay words likho gi to wo word bn jae ga jo receive hoa hai

aqsa can u guide mein is ke sol file kase banani hea means ke kase likhna ahea sol thanks guide meeeeeeeeee

Aqsa ne jo sol file send ki hai, this is final one..

make necessary changes and send it......

yes aqsa wala sol blkl theek hea 100% lkn start pe kya likhna hea ur tables ke heading wagara mein kya likhan ahea 

aqsa plz check your LRC now i check it is wrong 

aisignnent” ke hea

00001010 (LRC) 

aur assignment word ki

0001 0011



+º°˜`°º+Tahreem +º°˜`°º+

janab see it again ...... mera b yei hai

n about to how to make the assignment ..... proper tables bna k assignment bna lo aap


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