Sorry to be a pedant but it could cost you the answer in the pub quiz
.One kilobyte is 1012 Bytes and a gigabyte is 1012 megabytes ,because
they are based on binary numbers. Those really are tricky for mere
humans to use. 10101001010+ 10110111001 is ? David T
On 22/06/2012 09:12, Johan Helsingius wrote:
Now tell me the metric system is not easier!!!
I just had to calculate how long a punched paper tape version of one
song in CD quality digital format would be, if you were using paper
tape instead of a CD or USB stick to store your music (don't ask why
- it was one of those pub discussions).
The song we were looking at was 60 MB on CD.
Punched paper tape has perforations every 0.1 inch (2.54 mm), so
one 10 bytes/inch. Thus one kilobyte takes 100 inches, that is
8.3 feet. One megabyte is a thousand kilobytes, so that is 8300
feet, or 1.6 miles. Thus the 60 MB file is 60 * 1.6 miles, or
96 miles.
Let's do that in metric.. If 1 byte takes 2.54 mm, then one
kilobyte takes 2.54 meters and one megabyte takes 2.54 kilometres,
so the answer is 60 * 2.54 km, or 152 km.
Now, which one was easier? :)
Julf
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