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Error checking methods (1 Viewer)

Bob.

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Hey just wondering how do you actually apply the error checking methods if they provide you with information and ask you to calculate?
 

DekarTyphon

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Be a bit more specific, because it's a bit hard to tell what you're asking.
 

help_me_please

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ive seen a couple of multi choice questions where they ask you about parity checking eg. question 20 2002 paper

the following ascii and parity were transmitted:
0011010 0

which of the following would cause the receiver to ask for it to be resent
a) 1011010 1
b) 0011011 1
c) 0011011 0
d) 0011010 0

answer is c because the others inc. eg are set at odd parity

in relation to checksum and crc, although it is possible they could ask you a question like that, remember we can't take calculators in so it would be a little hard. i'm imagining that if they were to ask a question on error checking methods it would more likely be either comparing the three or defining one...

but if you are asked to make a judgment about which is the best, the answer is always crc

:)
 

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