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Re: [OM] Sandisk MicroSD memroy cards

Subject: Re: [OM] Sandisk MicroSD memroy cards
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Fri, 8 Apr 2016 06:28:15 -0400
See <https://en.wikipedia.org/wiki/Kilobyte> which says we old guys still don't do it right. 1024 bytes should be called a kibibyte to differentiate from 1000 bytes, a kilobyte. That was decided in 1998 but I've never heard of it until now. Clearly not very popular.

Chuck Norcutt


On 4/7/2016 6:45 PM, Larry Griffin via olympus wrote:
Chuck, I don't doubt that you are right on your math, I was just hoping
for something in the Ballpark. When I started to do the math I realized
I'd forgotten how to deal with the large numbers hadn't done it in 20
years. IIRC (and that seems to be doubt :(^) there is a technical reason
for the 1024 and it has been with us since 64k system. Remember how we
could do with just 64k of memory on the mother board.

Larry G

On 04/07/2016 02:42 PM, Chuck Norcutt wrote:
There's an error in your math.  1 gigabyte is 1024x1024x1024 =
1,073,741,824. Multiplied by 196 that's 210,453,397,504.

The difference between 1 billion bytes and 1 GB is approx 7.4%.

It was the disk drive marketers who started all this crap.

Chuck Norcutt

On 4/6/2016 6:33 PM, Larry Griffin via olympus wrote:
I forget what all the usual increments are since digital 1000=1024
bytes, but 196GB (a usual increment) is 200704000000 gigabytes, but why.
I like Piers idea its a nice simple explanation bad sectors.
L

On 04/06/2016 02:44 PM, Ken Norton wrote:
I don't do Amazon any longer, so I just took a quick look, there
prices
lessor memory cards. Sounds like your getting stabbed by the
conversion or
amazon. I thought 200 was strange, but I haven't bad sectors in
sometime. I
haven't any transfer speeds on SD and microSD cards. I just replaced
the SD
in my PEN with a wifi SD & microSD the AG1 told me to do it.8)
And life is so much better, isn't it?

Me thinks that those 200Gb cards are actually 192GB.

AG Schnozz


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