Living: Games People Play: 1977

Smart little computers provide mental aerobics Ding, ding, ding, ding, ding!" The sound of a fire bell, imitated flawlessly and gleefully by a high-pitched human voice, informs the neighborhood that Moppet has conquered Machine. They are well matched: Lizie is small, going on eleven, with brightly lit hazel eyes. The vanquished mechanism is a small desktop computer called Comp IV, new this year at under $40, with flashing red lights.

Comp IV starts things off by thinking of— but not revealing — a number, and its human opponent tries to work out the secret...

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