Path: ...!weretis.net!feeder6.news.weretis.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!nnrp.usenet.blueworldhosting.com!.POSTED!not-for-mail From: "Edward Rawde" Newsgroups: sci.electronics.design Subject: Re: A Complex Metaphysical Conundrum Date: Thu, 11 Apr 2024 15:08:44 -0400 Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com) Lines: 60 Message-ID: References: Injection-Date: Thu, 11 Apr 2024 19:08:47 -0000 (UTC) Injection-Info: nnrp.usenet.blueworldhosting.com; logging-data="69702"; mail-complaints-to="usenet@blueworldhosting.com" Cancel-Lock: sha1:fdpWYSDuMVw01+VCCPsoeirR110= sha256:xyhGcOkVcjKAlPdmrnMun67rmHrIr1P3qxkUfY+D0yk= sha1:UHpAcvvxqisQE4ctXK+JkP5Przw= sha256:yL3MwaMP1vOMSAIxYw/t3xJ4u63jazUShJ6miEPgBcU= X-MSMail-Priority: Normal X-RFC2646: Format=Flowed; Original X-Newsreader: Microsoft Outlook Express 6.00.2900.5931 X-Priority: 3 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Bytes: 3678 "Cursitor Doom" wrote in message news:qjbg1jh7baj22i618rcafvo80rcgcm7ojn@4ax.com... > On Thu, 11 Apr 2024 14:33:45 -0400, "Edward Rawde" > wrote: > >>"Cursitor Doom" wrote in message >>news:ar1g1jdn81s994gd5brslvrrlns8jrtq13@4ax.com... >>> On Wed, 10 Apr 2024 18:02:50 +0100, Cursitor Doom >>> 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. Pompous twit might be going a bit far but that's what came to mind while I watched a few minutes of the video. The guy with the headphones seems embarrassed. I did manage to find this https://www.scte.org/standards/library/catalog/scte-270-mathematics-of-cable/ I'll add it to my collection of pdfs I've had a quick look through but never read.