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From: Cursitor Doom <cd@notformail.com>
Newsgroups: sci.electronics.design
Subject: Re: A Complex Metaphysical Conundrum
Date: Thu, 11 Apr 2024 19:42:33 +0100
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On Thu, 11 Apr 2024 14:33:45 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:

>"Cursitor Doom" <cd@notformail.com> wrote in message 
>news:ar1g1jdn81s994gd5brslvrrlns8jrtq13@4ax.com...
>> On Wed, 10 Apr 2024 18:02:50 +0100, Cursitor Doom <cd@notformail.com>
>> wrote:
>>
>>>Gentlemen,
>>>
>>>This is an exam question that trips up even some of the best students.
>>>See what you make of it!
>>>
>>>Q: Is this statement correct: 'The signal level at the modem input
>>>increased by 2dBmV going from +3dBmV to +5dBmV.'
>>>
>>>Your pal, CD.
>>
>> Okay, here's the answer you've been waiting for from some guy on the
>> internet in this record-low participation quiz. This URL takes you
>> directly to the relevant section to save time:
>>
>> https://youtu.be/jOVa4xJSLiA?list=PLl-kpmJ-_T4DMeDalokqXz7u-ReHZi08p&t=1466
>>
>> So it turns out that John, Edward and myself were all wrong and only
>> Jason and Jeroen were right! And the proof is right there in the
>> video.
>>
>>
>
>I don't see any proof of anything in the section of the video you posted.
>I didn't watch the entire video.
>Maybe you should post the proof for this example in text and ask why a 30 
>minute video is needed if a few lines of text is enough.
>DOCSIS isn't my field but I would have thought that the average cable modem 
>could report whether or not it's happy with the signal levels.
>The ISP/Cable company I use ripped the cable and phone lines out and put 
>fibre to the home into the small town I live in about a year ago.
>So DOCSIS is history here. 
>

Sorry, sarcasm doesn't come across very well at all via this medium!
John knows what I mean as we're both veterans here. I actually agree
with you. The question itself is just plain stupid if the answer
suggests that two absolute quantities added together cannot make an
absolute total.