Re: A Complex Metaphysical Conundrum

On Wed, 10 Apr 2024 16:11:39 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:

"john larkin" <jl@650pot.com> wrote in message
news:v6sd1j1sr89ntc214dku5u5e04pks5toud@4ax.com...

On Wed, 10 Apr 2024 15:57:55 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:
>

"Cursitor Doom" <cd@notformail.com> wrote in message
news:c6hd1jdjimga6ifo7b0kv7bqfj9750lbk3@4ax.com...

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
From the site you pointed to:
"This kind of statement is incorrect, because signal levels cannot
increase or decrease in increments of dBmV, only dB."
Well you learn something new every day on the net, doncha? ;->