Technology

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Across
  1. 3. Every 1 or 0 (binary)
  2. 5. A machine for performing calculations automatically
  3. 7. A board full of "keys"
Down
  1. 1. Is the enormous network that connects computers
  2. 2. A secret code to protect your information
  3. 4. Is a handheld device that controls a cursor on a computer screen
  4. 6. A small arrow on the screen that moves when you move the mouse