History of Computers

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Across
  1. 4. Created the first gear-driven calculator
  2. 5. largely responsible for the computer becoming a common possession
  3. 8. The first commercial computer. Used magnetic tape.
  4. 10. The Hollerith desk was created to help count cards for the 1890 U.S. ______
  5. 11. Dropped out of college to work on writing computer programs.
  6. 12. The forefather of the modern day computer. Weighed 30 tons. Used card readers and took up a 20x40 ft room.
  7. 14. Created a power loom that could create a pattern based on punctured cards
Down
  1. 1. IBM hired this company to write the software for their PCs.
  2. 2. Charles Babbage’s attempt at a steam driven calculator the size of a room (was the most expensive government funded project at the time) – was never finished due to lack of funding.
  3. 3. Started the company that became IBM
  4. 6. An electronic device for storing and processing information
  5. 7. The earliest mathematical aide dating back to 300 B.C.
  6. 9. Originally, a “computer” was a _______ who performed repetitive calculations for Navigational tables, charts, and planetary positions
  7. 13. The first computer bug was a _____
  8. 15. The first personal computer