CLIPS (C Language Integrated Production System) was originally developed in the 1980s at NASA, making it a surprisingly old piece of AI technology still in use today.
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Smalltalk was one of the first object-oriented programming languages to support live coding, meaning code changes could be made and seen in effect immediately without restarting the program.
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Assembly language code is often written with mnemonics, which are short abbreviations for machine instructions, making it slightly more human-readable than pure machine code (which is just a sequence of numbers).
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