Let's take a quick look at how software was built in the MS-DOS era: Borland Pascal 7.
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Just a moment...
https://raduzaharia.medium.com/writing-code-for-ms-dos-with-borland-pascal-7-a84b8c66f680
https://raduzaharia.medium.com/writing-code-for-ms-dos-with-borland-pascal-7-a84b8c66f680
Yup, mine, too. I don't remember which version it was, but I'm pretty sure it was still "Turbo" (not "Borland") Pascal, in the late 1990s. Grade 10 computer science was taught on Macintosh QuickBasic and then grades 11 and 12 were "real" programming in Turbo Pascal.
There were quite a few Delphi applications back in the day, they were easily recognisable by their "exit door" icon.
I had to learn pascal at college in the early 90s .
And some long called Jackson Structured Programming, which effectively put me off development for life.
Also : why is there a photo from 100 years ago ?