Computer Crossword Puzzle

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Across
  1. 1. a type of electronic storage that is built in
  2. 4. instructions that tell a computer what to do
  3. 8. output device that displays information
  4. 10. a digital circuit performing operations
  5. 12. device which uses an arrangement of buttons
  6. 13. physical components of the computer system
  7. 15. a small personal computer
Down
  1. 2. hand-held pointing device
  2. 3. main PCB in general computers
  3. 5. a networking device that forwards data
  4. 6. a type of malicious code or program written
  5. 7. text files with small pieces of data
  6. 9. a network security device that monitors
  7. 11. personal computer designed for regular use
  8. 14. data storing device, immediate access