Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!seismo!rutgers!rochester!rocksanne!rocksvax!martyl 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!!