Computer History

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Across
  1. 3. This was developed in the 1490s and we still use them today
  2. 5. Invinted a device that would calculate numbers to the twentieth place and print them in 44 digits a minute
  3. 6. Used in Babylon,China, and throughout Europe in the middle ages used by sliding beads
  4. 8. Computer discoveries are organized into this
Down
  1. 1. Lady Ada lost her family's fortune while doing this
  2. 2. This utalized a train of 8 moveable dials or cogs to add sums
  3. 4. In this, the system program could be changed by rewriting a panel
  4. 7. A french weaver who realized that weaving instructions could be stored on cars with holes in them
  5. 9. he was impressed with Jacquards work and granted him a lifetime pension and royalty payments
  6. 10. The abbreviation for the International Business Machine