CRT displays [was: computer graphics in the 1950s]

Paul_Koning at Dell.com Paul_Koning at Dell.com
Tue Oct 21 15:46:26 CDT 2008


I give up.  I can't figure out how you define "monitor".

Is it a raster-scan CRT?  If so, then yes, it doesn't directly do characters.

Is it a vector-only CRT?  If so, then again it doesn't directly do characters.

Is it a vacuum tube with a phosphor face intended as an output device viewed by humans?  That would be the definition I would assume you're using.  If so, then the SAGE displays fit: those are direct view tubes that can display both vectors and characters, and the character display is a Charactron.

	paul

-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Richard
Sent: Tuesday, October 21, 2008 4:38 PM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: CRT displays [was: computer graphics in the 1950s] 


In article <B135486A342E6244AEE1EB13118903BA01973073 at ausx3mpc106.aus.amer.dell.com>,
    <Paul_Koning at dell.com>  writes:

> Sure it is.  Wikipedia mentions it was used as a display device on SAGE.

While all monitors are display devices, not all display devices are
monitors.

Seriously guys, does anyone have anything useful to contribute on this
subject or do you all just sit around on your asses waiting for a
chance to nitpick on definitions of words?
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