Bitsavers size

[Jerry Weiss]

> On Apr 21, 2017, at 12:24 PM, Rob Jarratt via cctalk <cctalk at classiccmp.org> wrote:
> 
> 
> 
>>> My back of the envelope calculation comes to approximately
>>> 4 million miles of paper tape.
>> 
>> I think you're out by a factor of 10.... 267*10^9 bytes, divide by 10 as there are
>> 10 bytes to the inch on paper tape, and convert to miles. I get just over 400,000
>> miles.
>> 
> 
> Agreed, I measured a piece of paper tape I have here and got a figure of 0.9 inches per 10 bytes, so clearly just a bit of finger trouble somewhere in my calculation. Still, almost enough for a round trip to the moon.
> 
> Regards
> 
> Rob
> 
> 
>> My rule of thumb is that a full reel of 1" paper tape is 100k bytes So 10 for a
>> megabyte
>> 10000 for a gigabyte
>> 2,670,000 for all of bitsavers. Perhaps nearer 3 million as it's an
>> approximation....
>> 
> 
> 
> 

ASCII correct?  Not Murray, Western Union,Flexowriter or other ?

Anyone care to estimate how large the pile of chads will be?


Jerry  
jsw at ieee.org