alex crossword puzzle

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Across
  1. 4. A person or thing that scans an area or surface looking for a object.
  2. 6. The main island of Indonesia.
  3. 7. Printing A printing process that involves making three-dimensional objects from digital models by applying many thin layers of quick-drying material on top of each.
  4. 8. A unit of computer memory or data storage capacity equal to 1,024 (that is, 210) bytes.
  5. 11. A partition made of fireproof material to prevent the spread of a fire.
  6. 12. A machine or tool for cutting into or below a main surface.
Down
  1. 1. Bits per second (of transmitted information).
  2. 2. To create a virtual version of (a computer, operating system, data storage device, etc.)
  3. 3. A measure of storage capacity and data transfer equal to 1 billion (10 9) bits.
  4. 5. Is which long and short sounds, light flashes are used to symbolize the content of a message.
  5. 9. Trademark (computing) a widely used type of local area network.
  6. 10. A person who secretly gets access to a computer system in order to get information.