Re: A Complex Metaphysical Conundrum

On Wed, 10 Apr 2024 18:18:21 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:

"Cursitor Doom" <cd@notformail.com> wrote in message
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On Wed, 10 Apr 2024 16:11:39 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:
>

"john larkin" <jl@650pot.com> wrote in message
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On Wed, 10 Apr 2024 15:57:55 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:
>

"Cursitor Doom" <cd@notformail.com> wrote in message
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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.

>
Changing a signal level can be thought of as multiplying the signal by a
constant.

>
You can change something by adding, too.
>

>
I haven't looked at it in detail but a bit of playing with a search engine
finds the question here:
https://broadbandlibrary.com/wise-and-mighty-decibel/
>

>
Jeez, when I said, "No Googling" I didn't seriously think anyone here
would be dumb enough to need to actually do so! :-D

>
I don't see any mention of any search engine in your first post.
>
I tend to agree with John Larkin on this.
>
If a student can use a meter to see that a signal which was 3 somethings is
now 5 somethings (depending on what is being measured) then I give them a
pass.

So going back to the orginal question as stated, you're saying the
statement in quotes is *correct* then. Nice to have a straight answer.