“Source code is what humans write — in Photoshop 1.0’s case the brothers Thomas and John Knoll,” Shankland reports. “The initial Photoshop is written in written 128,000 lines of code, a combination of the high-level Pascal programming language and low-level assembly-language instructions. When converted to machine code, the program was small enough to fit on a floppy disk.”
Shankland reports, “Photoshop started in the 1980s as a personal project the brothers called Display…”
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