|David B. Tuttle, Principal Engineer
When I joined the Prime Computer Software Systems Engineering group in 1985, one of the other
members of the group was working with a Macintosh 512 system and a laser printer with a PostScript adapter.
Back in those days, PostScript was new and laser printers were quite expensive; the
PostScript adapter was a separate unit coupled to the laser engine of a 600 dpi printer.
The Macintosh had a very small screen, but it also had a software program called MacDraw and
a one-button mouse. I created these diagrams working in D-size (22" x 17"), then used the Postscript
printer to render them as high-quality 8.5" x 11" pages.
The Department of Defense internet protocols were fairly well defined by the mid-1980's, but there was growing competition from the Open Systems Interconnection community. Concurrent support for a variety of data communication methods was both a technical challenge and a market requirement.
|DoD Internet Architecture (TCP/IP and Friends)|
|Open Systems Interconnection (OSI) Protocols|
|PRIMOS™ Data Communications, 1985 - 1989|
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|This page last updated 03-Mar-2011.|