CS601 ASSIGNMENT NO. 2 SPRING 2023 || 100% RIGHT SOLUTION || DATA COMMUNICATION || BY VuTech

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QUESTION-1:

Given are the pairs of words in the following table.
You are required to mention the Hamming distance associated with each Pair of Words.                        

ANSWER:

Pair of Words	Hamming Distance
d (10111,1100)	4
d (1101, 10101)	3
d (10100, 00010)	3
d (1110,0111)	2
d (010,10000)	4

QUESTION-2:

Consider a sender station wants to send “10111011010010111011010101110100” data bits to a destination station. You are required to compute the 8-bit Checksum that the sender will send to destination along with original data bits. Write all necessary calculation steps.                   

ANSWER:

To compute the 8-bit checksum for the data bits "10111011010010111011010101110100," we'll follow these steps:

Split the data bits into groups of 8 bits:

"10111011 01001011 10110101 01110100"

Add up the binary values of each group:

10111011 + 01001011 + 10110101 + 01110100

Perform 1's complement on the sum:

10111011 + 01001011 + 10110101 + 01110100 = 100110101

Add the carry (if any) back to the sum:

In this case, there is no carry.

Take the 1's complement of the sum to get the 8-bit checksum:

100110101 → 01100110

So, the 8-bit checksum that the sender will send to the destination along with the original data bits is "01100110."

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