sequential (103) no realistic serial circuit (parallel in out line)

 https://wodewangzhishime.blogspot.com/2023/12/blog-post_43.html

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Ref: https://wodewangzhishime.blogspot.com/2023/12/blog-post_43.html .

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John: There're 2 pictures above.  The 1st one is the original one.  R0 send out a signal of (0111).

Me: Ok.

John : Now, we see the 2nd picture. 

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Me: Ok. 

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John: Because the parallel output line of R0 is a branch of RJ45's Clock line, hacker hack the RJ45's Clock line and change the signal to (1000).

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