[ExI] physics question

John Clark johnkclark at gmail.com
Tue Aug 21 17:31:00 UTC 2018


On Tue, Aug 21, 2018 at 12:26 PM, William Flynn Wallace <foozler83 at gmail.com
> wrote:

>
> what does 'arbitrarily small' mean?  bill w
>

State the amount of error you're willing to tolerate and by increasing the
file size by a small amount Shannon will tell you how to get a error rate
equal to or smaller than that .

John K Clark







>
> On Tue, Aug 21, 2018 at 11:14 AM, John Clark <johnkclark at gmail.com> wrote:
>
>>
>>
>> On Mon, Aug 20, 2018 at 5:25 PM, William Flynn Wallace <
>> foozler83 at gmail.com> wrote:
>>
>> >
>>> No computer expert here, but I have been told that my Windows software
>>> corrupts itself over a period of time, and so would up and downloads.
>>>
>>
>> Every time a computer copies a file there is a chance a error will be
>> made, however in 1948 Claud Shannon showed us a clever way to make the
>> error rate arbitrarily small by injecting a modest but carefully placed
>> amount of redundancy into the file. Without this brilliant insight there is
>> no way the Internet that we know and love today could exist.
>>
>>  John K Clark
>>
>>
>>
>>
>>>
>>>
>>
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>>
>
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