Answer to Question #320119 in Computer Networks for Mayank Kumar

Question

Two 8 bit numbers in a hexadecimal are 05 and 06. Obtain the checksum. 

Answer 1

Given, =Two 8 bit words are given. =>First word = 0xA0 =>Second word = 0x98 Explanation: Converting hexadecimal numbers into binary: =>First word = 0xA0 in hexadecimal =>First given Hexadecimal numbers are 05 and 06.

Similarly, longitudinal redundancy check (LRC) is a variation on the 8-bit checksum, differing only in that the “summation” is done using XOR, instead of numerical addition as shown below.