Common operational misconceptions

Owen DeLong owen at
Sat Feb 18 01:52:01 UTC 2012

On Feb 17, 2012, at 11:04 AM, Valdis.Kletnieks at wrote:

> On Fri, 17 Feb 2012 10:49:13 PST, Owen DeLong said:
>> Now, come on... If you're in the 40-50 range, you should have put octal
>> before hex. :p
> IBM S/360 definitely preferred hex.  And EBCDIC.

Strictly an artifact of it's EBCDIC nature, as a matter of fact...

The BCD in EBCDIC stands for Binary Coded Decimal which inherently
requires Hex.

In fact, if you compare punched cards to EBCDIC, you'll find some remarkable

For example C1 (12 1) is A (Hollerith A is a 12 punch plus a 1 punch).


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