Activity

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Across
  1. 3. the leading developer of personal-computer software
  2. 4. Dots and dashes that are transformed into electrical impulses
  3. 6. the first calculator
  4. 8. developed the concept of zero
  5. 10. The birth and growth of electronic information
  6. 13. the leading information retrieval service of the Interne
  7. 15. transmit info over great distance with great speed
Down
  1. 1. developed the making of paper from rags
  2. 2. first of the 4 basic period of information technology
  3. 5. he invented the telescope
  4. 7. writing system devised by the Summerians
  5. 9. first mechanical computing machine
  6. 11. pen-like devise used to scratch markings on wet clay
  7. 12. created the first effective personal computer
  8. 14. created iPhone, iPod, iPad, iMac,