Computers: Week 1 - 5

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Across
  1. 3. What we call a first working model. Something Doug Engelbart used to demonstrate his invention.
  2. 7. When there is a two-way flow of information between devices, you call this experience this.
  3. 9. One of Steve Jobs’ investments had more to do with movies than hardware. It was called this.
  4. 12. A competitor to AMD that manufactures microprocessors.
  5. 14. The main circuit board inside a computer on which is the CPU, Hard Drive, and RAM.
  6. 16. Data about you, such as your facial geometry or your fingerprints.
  7. 18. The last name of the actual inventor of the light bulb.
  8. 19. The internal storage device in a computer.
  9. 20. Sound is recorded as these on paraffin-coated paper and reproduces the sound when played back.
  10. 21. A person who operated a mainframe. She was called this.
Down
  1. 1. A ‘signature’ that could identify you like your retina scan.
  2. 2. Engelbart’s other invention: Software that links a word or image to another word or image.
  3. 4. Information that could identify you: Three letters.
  4. 5. The other name for the ‘Voice Tube’ that Edison invented.
  5. 6. The college dropout, however, took a class which gave him the idea of a computer company. What unusual class was this?
  6. 8. The central processing unit of a computer.
  7. 10. The first word that makes up the acronym ‘RAM.’
  8. 11. What the earliest computer was called. It filled a room!
  9. 13. What the station master taught Thomas Edison after he saved his son’s life.
  10. 15. The cofounder of Apple computers.
  11. 17. Any external device that provides input and output for the computer.