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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 23:44:53 +0100
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On Wed, 10 Apr 2024 18:18:21 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:

>"Cursitor Doom" <cd@notformail.com> wrote in message 
>news:i52e1j9ctjqi1k1m9ej1aid2493foetnsq@4ax.com...
>> 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
>
>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.