History of Computers

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Across
  1. 2. built the mark 1
  2. 4. other one of the 2 guys to develop a general computer
  3. 7. created unit record processing
  4. 9. invented by charles babbage
  5. 11. one of the first widely used computers built by IBM
  6. 12. used by third and fourth generation computers
  7. 16. wrote the first assembly language and invented COBOL
  8. 17. calculation device made by Blaise Pascal
  9. 20. calculation device made by chinese around 2600 BC
Down
  1. 1. the company herman hollerith started
  2. 3. caused the first computer breakdown
  3. 5. machine which combined electro mechanics with punched cards
  4. 6. used to make rugs. invented by Joseph-Marie Jacquard
  5. 8. amount of vacuum tubes the ENIAC used
  6. 10. one of the 2 guys to develop a general computer
  7. 13. a card used to outline the patterns looms are to follow
  8. 14. marked the transition from the first generation to the second
  9. 15. Steven Jobs and Steven Wozniak created this company
  10. 18. often regarded as first programmer
  11. 19. built in 1948 from war surplus parts