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From: Cursitor Doom <cd@notformail.com>
Newsgroups: sci.electronics.design
Subject: Re: A Complex Metaphysical Conundrum
Date: Wed, 10 Apr 2024 22:40:09 +0100
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On Wed, 10 Apr 2024 13:04:10 -0700, john larkin <jl@650pot.com> wrote:

>On Wed, 10 Apr 2024 20:39:19 +0100, Cursitor Doom <cd@notformail.com>
>wrote:
>
>>On Wed, 10 Apr 2024 11:46:02 -0700, john larkin <jl@650pot.com> wrote:
>>
>>>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.
>>>
>>>5-3=2. dBs, pineapples, whatever.
>>
>>Very brave, John! I think the lack of response thus far indicates how
>>terrified the great and the good here are of getting it wrong, 'cos
>>those at the top have the farthest to fall in terms of reputation.
>>I'll provide the answer the same time tomorrow and we'll see if
>>there's any other brave souls out there. ;-)
>
>If I have a meter that shows dBmV, and it says 3 and I crank up the
>input so it says 5, it went up by 2.
>
>Do you have a counter-case? 3+2 equals something that's not 5?

I'm sure I could find someone teaching mathematics like that in our
wonderful modern school system in no time at all LOL.