Parts of a computer

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Across
  1. 7. A electronic that does not have a wire.
  2. 8. a movable indicator on a computer screen on what you want to click.
  3. 9. a programming language designed to produce programs to run on any computer system.
  4. 10. A system for connecting a number of computer systems to form a local area network.
  5. 12. a format for compressing image files.
Down
  1. 1. a part of a computer system or network that is designed to block unauthorized access.
  2. 2. the introductory page of a website.
  3. 3. a group of broadcasting stations.
  4. 4. a device for examining, reading scripts.
  5. 5. the address of a Web page.
  6. 6. A system of words, letters, figures, or other symbols substituted for other words.
  7. 11. A person who uses computers to gain unauthorized access to information.