hello all
i need help in understanding how to calculate checksum i have exam and i am not getting it i search on internet but i dont understand how to tell from a block of data that what a checksum could be
e.g

0010 1101
1010 1000
1100 0110
0001 0000
0101 1100
1111 0000
0101 1100
1011 0111

checksum = 0000 1010

i dont understand how in this example checksum is 0000 1010
how to calculate it ?

i have no idea ,but after reading this web page i understand a bit more ,it appears you use software to calculate it ,so it should really help you i think .
http://www.geeksengine.com/article/checksum.html

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