COMPUtER HISTORY-Early History Hssignment #2

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Across
  1. 1. rods-was a cardboard multiplication calculator.
  2. 3. in 1642, blaise pascal inventedtsd this first mechanical digital calcunlator.
  3. 4. card- 1890, Dr.herman hollerith introduced this
Down
  1. 2. first computing device.