IPT Puzzle 2

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Across
  1. 3. A term applied specifically to the spacing adjustment of two characters to correct for visually uneven spacing.
  2. 5. A file sent to another with an accompanying email.
  3. 7. A hand-held pointing device that detects two-dimensional motion relative to a surface.
  4. 8. An input device that allows a person to enter letters, numbers, and other characters.
Down
  1. 1. A network security device that monitors and filters incoming and outgoing traffic based on established security policies.
  2. 2. A vast network connecting computers all over the world for sharing information and communication.
  3. 4. A copy of a computer file or data to protect against accidental loss or corruption
  4. 6. A web language that defines the structure of web pages.