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Radio Shackâs new TRS-80 Micro Computer System uses a computer keyboard to plug into an included 64 column video monitor, programmed by cassette tapes played on a home cassette player, shown at the Boston Computer Show on August 25, 1977. From left, visitors Robert Lundgren of Des Plaines, Illinois, Malcolm MacLeod of Montreal, and Radio Shack salesman Steven Carlozzi of Brockton, Massachusetts.
