Hi
The PC Helpdesk got it right but 2 raised to the power 1000 is not
equal to 1000, it is way bigger! 1024 is equal to 2 raised to the power
10. A schooldays memory is of a story about an ancient king who agreed
to pay another king, as a penalty, 1 grain of corn on the first square
of a chess board, 2 grains on the second, 4 on the third, 8 on the
fourth etc up to the 64 chess board squares. He could not fulfil his
agreement because there is not that much corn in the world! This all
relates to why we have SD, SDHC and SDXC memory cards because there is
a limit to the number of memory locations which can be addressed
unaided by a 64 bit system.
One of the computer gurus on the list can no doubt explain how High
Capacity and Extended Capacity cards get around this limitation.
Brian Gray
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