BPCT

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Across
  1. 5. Inventor of the Arithmetic Machine.
  2. 6. Technology of the third generation of computers.
  3. 7. The meaning of "decem"
  4. 8. The Father of Modern Computer
  5. 9. A calculator invented circa 1000 BC to 500 BC.
  6. 10. Technology of the second generation of computers.
  7. 14. Inventor of the mechanical calculator. He is the painter of The Last Supper.
  8. 15. The title given to Charles Babbage.
Down
  1. 1. The other machine Babbage designed and the one that was fully constructed.
  2. 2. Technology of the fourth generation of computers.
  3. 3. The machine designed by Babbage but wasn't fully completed.
  4. 4. Technology of the first generation of computers.
  5. 11. Inventor of the QWERTY Keyboard.
  6. 12. Technology of the fifth generation of computers.
  7. 13. He made a keyboard where all vowels are on the left side.
  8. 15. Man used ____ to compute numbers during 30,000 BC to 20,000 BC.