1" paper tape buy ?

[Fred Cisin]

On Fri, 27 Feb 2009, CSquared wrote:
> Using those numbers, I came up with the following:
> 6,291,456 bytes / 120 = 52,428.8 cards (OK, 52,429)
> 52,429 * 0.0065 = 340.7885 inches or about 28.4 feet per file.
> What an improvement.  ;)  (Is anyone else bored today?)

Can the card reader for an iPod handle cards that flimsy (too many
punches)?


> I also seem to recall that Univac or some other computer manufacturer
> actually used a 90 (?) column card for even better packing density.
> I'll leave that improved calculation to someone who actually remembers
> how many columns those cards were blessed with.

Sure, there are many other types of cards.  Round holes, different shapes,
read by a matrix of push buttons, etc.


But when unqualified, "card" means "Hollerith", with IBM's PATENTED
rectangular hole, read by a steel brush contacting a brass roller.