History of Computers

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Across
  1. 2. John Mauchly and Presper Eckert introduced ______ tubes.
  2. 4. The Department of _______ uses a program language that is named after Lady Ada Augusta.
  3. 5. Blaise ______ developed the Pascaline in 1642.
  4. 6. Joseph Jacquard was _____. (nationality)
  5. 7. Computer discoveries have been organized into _______.
  6. 11. calculations were made by sliding beads back and forth on a frame.
  7. 14. Charles Babbage was an English mathematician and __________
  8. 17. IBM stands for International ________ Machines.
  9. 19. _______ Aiken investigated the idea of a high speed calculator.
Down
  1. 1. Lady Ada Augusta lost her family's fortune by ________.
  2. 3. Generation ____ computers used magnetic core memories.
  3. 4. Babbage called his device the ________ Engine.
  4. 8. Generation 0 computers did not use _______.
  5. 9. Magnetic core memories allowed ______ programming.
  6. 10. Earliest computers were built out of a desire to perform _______ calculations.
  7. 12. Von Leibniz invented a device called The ______ Reckoner.
  8. 13. What kind of bug was removed from a computer giving us the term "debugging"?
  9. 15. John Napier was a ________ mathematician.
  10. 16. Herman Hollerith worked for the ______ Bureau.
  11. 18. Generation _____ computers replaced vacuum tubes with transistors.