Meadows explained that when he and others were working on the World3 model ( circa 1970 72 ), they realized they would not be able to use the computer output to explain how the feedback loops worked in their model when presenting their results to others.
32.
As was found later, although the TPS accepted entry of the data for multiple shielding blocks as if they were a single block, at least one of the ways in which the data were entered the computer output indicated a treatment time substantially longer than it should have been.
33.
It was capable of recording black & white ( and later color as an option ) digital imagery to motion picture or still transparency film at a maximum resolution of 16384x16384, making it an ideal system for generating either Computer Output Microfilm ( COM ), computer-to-film negatives for making printing plates, and other computer-generated graphics.
