Re: LZ: self test


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Re: LZ: self test



One student at my school said  that if you self test it and let it sit 
for, say, EIGHT hours, the memory won't be erased.  This was on an 82 by 
the way.  Is that true?


Dines Justesen wrote:
> 
> John M. Hughes wrote:
> >
> > Is there any practical purpose to performing a self test on your
> > calculator, other than to find out your version #? All it seems to do is
> > count. Does it ever stop? I let it run for about three hours and it
> > counted up to 3000. All it seemed to do is waste batteries.
> 
> The selftest is not just counting, but it is not very useful unless
> something is wring with your calc.
> 
> The selftest starts by checking the ram (wrinting stuff to it, and then
> reading it again). Then it checks th rom (and does the counting to show
> you how many times it has checked the rom. Then it checks the display,
> by writing patterns to the display. And finally it checks the keyboard.
> 
> AS you can see from the above the selftest will normally do nathing
> usefull, but i will use the battries as long as it is running.
> (Your rom should be okay since you have now checked it 3000 times :) )
> --
> _______________________________________
> 
> Dines Justesen
> Email: dines@post1.com or
>        c958362@student.dtu.dk
> WWW  : http://www.gbar.dtu.dk/~c958362/
> _______________________________________


<pre>
-- 
Compliments of:
_-_-_-_-_-_-_-_
  Alan Bailey
  mailto:bailala@mw.sisna.com
  IRC:Abalone
  Web:http://www.mw.sisna.com/users/bailala/home.htm
</pre>


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