computer system

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Across
  1. 3. person who writes and tests programs
  2. 5. user or orgware
  3. 6. operating system is an example of which software
  4. 8. who introduced the software
  5. 9. program used by the computer
Down
  1. 1. G in GUI
  2. 2. gmail is an example of which software
  3. 4. physical part of the computer
  4. 7. C in CUI