Generations Of Computer

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Across
  1. 2. the company which developed first microprocessor
  2. 5. computer performs calculations without an error
  3. 7. storage device used in second generation
  4. 8. which technology replaced vacuum tubes
  5. 10. first computer graphical game
  6. 11. technology used in third generation
Down
  1. 1. can do variety of task
  2. 3. computer that can handle text and number data
  3. 4. input device in first generation
  4. 6. input device introduced in third generation
  5. 9. first calculating device