Hearted Youtube comments on Veronica Explains (@VeronicaExplains) channel.
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Veronica, you took me back to the 80s/90s when I spent about 13 years working with Wyse50 terminals and various versions of UNIX/Xenix/HP-UX.
I did field support for a multi-national in Latin America, setting up UNIX systems, modems, etc. Burnt my fingers soldering cables lots of times making serial cables :)
The Wyse terminal's programmable function keys were a real revelation to me and I made good use of them to speed up data entry.
I ended up traveling with short serial cables which converted from DB-9 to DB-25 or DB-15, male to female, female to female, etc because I never knew what I would meet in a particular country.
And, of course, different systems had different pinouts, so I would always need to have photocopies of the pinouts for each system.
There's a wonderful book called the C programmer's guide to serial communications by Joe Campbell which goes into wonderful detail about anything and everything to do with serial communications, the ASCII character set, the various protocols, UARTs, modems and all kind of serial stuff.
This used to be my life on a daily basis.
One would think that using these terminals would limit productivity, but I remember having 100 users on a HP PA-RISC system with a 48MHz CPU, 64MB RAM and nobody ever complained about speed.
We ran everything on that system - email, word processing, spreadsheets, database applications, program development, etc.
Those old systems were remarkably efficient and productive.
For heads down data entry, there was nothing faster than a green screen terminal. You never moved your hands from the keyboard to click a mouse, so you could get up to high speeds for data entry. I've even seen people punch data faster than the screens could keep up without losing their rhythm, which looks like magic the first time you see it.
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