Computer History

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Across
  1. 2. used in ancient Babylon, China, and throughout Europe until the Middle Ages.
  2. 3. published many articles about programming and the power of machines
  3. 5. invented a device called The Stepped Reckone
  4. 6. Computer discoveries have been organized into
  5. 8. calculations were made by sliding beads back and forth on a frame
  6. 10. was an English mathematician and professor
  7. 11. by John Napier, a Scottish mathematician
  8. 12. of numbers carved into pieces of bone or wood divided into squares
Down
  1. 1. developed in 1642 as a way to simplify tax computations
  2. 4. In 1801, Jacquard, a French weaver, realized that weaving instructions for his loom could stored on cards with holes in them.
  3. 7. fairly primitive,did not use electricity,were not widely used by the general population
  4. 9. was so impressed with Jacquard’s work, that he granted him a lifetime pension and royalty payments