the Mark I, “Harvard’s Robot Super Brain”, was built and donated by IBM, and marked their entry into what we would now call the computer industry. Numerous computing luminaries used the Mark ...

Mark IV, the latest and most advanced of Harvard's calculators ... But the invention and development of the computer has lessened the reluctance to work problems which require heavy computation.

Named after the Mark I computer at Harvard University in the 1940s, a pure Harvard architecture can execute instructions and process data simultaneously, because each has its own address bus.