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From: martyl@rocksvax.UUCP (Marty Leisner)
Newsgroups: comp.arch
Subject: Re: An old fashioned memory technology, CRT's, how'd they work?
Message-ID: <139@rocksvax.UUCP>
Date: Wed, 22-Jul-87 16:51:01 EDT
Article-I.D.: rocksvax.139
Posted: Wed Jul 22 16:51:01 1987
Date-Received: Fri, 24-Jul-87 07:08:27 EDT
References: <602@madvax.UUCP> <6700@santra.UUCP>
Reply-To: martyl@rocksvax.UUCP (Marty Leisner)
Organization: Xerox: Henrietta, NY
Lines: 17

In article <6700@santra.UUCP> jku@kolvi.UUCP (Juha Kuusama) writes:
>In article <602@madvax.UUCP> cw@madvax.UUCP (Carl Weidling) writes:
> ...
>>...  how this [ CRT tubes ] can be memory.  How long did the charges
>>last?  were they refreshed? How was the memory read after being stored?
>>Carl Weidling
>
>I once had a tube where characters were visible for several seconds after
>the screen was blanked...
>

I got a leased PC/AT with an IBM green monochrome monitor which  worked like
this.  Thought there was something wrong with it.

Then I got a second one which worked the same way!!

Those green IBM monochrome monitors can make one seasick!!