On Thu, 29 Jul 2004, Tom Jennings wrote:
> On Wed, 2004-07-28 at 22:19, Andy Holt wrote:
>
> > Depends a bit on what you mean by "real time clock".
>
> For many decades "real time clock" has meant some sort of repeatable
> time event, eg. 60Hz line, 1mS, usually in the form of an interrupt. I'm
> certain terminology has varied all over the place (never mind
> non-English) but reasonably universally this is the intent.
>
> That other thing, electronic or otherwise, that knows about Julian dates
> and tea time and all that is called a "clock/calendar" or something like
> that.
I'm more interested in a clock/calendar: something that could be polled
and produce the local time and date.
I'll bet an interesting history lurks behind such a seemingly simple topic
(real-time clock calendar deployment in computers).
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
[ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]
Received on Thu Jul 29 2004 - 15:20:38 BST