Technology crossword

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Across
  1. 3. Stores all the files.
  2. 5. A small chunk of data
  3. 6. Dots that make up a picture
  4. 8. How many pixels are in an image
Down
  1. 1. Like the brain of the computer.
  2. 2. Passes along the packets on a network to where they need to go.
  3. 4. A number that identifies your device on the internet
  4. 7. Protects data by a secret code