Computer Terms Crossword

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Across
  1. 3. a device that scans documents and converts them into digital data.
  2. 5. a panel of keys that operate a computer or typewriter.
  3. 8. a place where power or information leaves a system.
  4. 10. a device or program enabling a user to communicate with a computer.
  5. 11. a group of binary digits or bits operated on as a unit.
  6. 12. Outside devices for a computer
  7. 13. operate on (data) by means of a program.
  8. 17. a directory containing related files or documents.
  9. 19. a grid placed between the control grid and the anode of a valve to reduce the capacitance between these electrodes
  10. 20. a collection of data, programs, etc. stored in a computer's memory or on a storage device under a single identifying name
  11. 21. the part of a computer in which data or program instructions can be stored for retrieval.
  12. 22. a place where, or a device through which, energy or information enters a system.
Down
  1. 1. a small handheld device which is moved across a mat or flat surface to move the cursor on a computer screen.
  2. 2. Random access memory
  3. 4. an apparatus for recording sound pictures or data
  4. 6. The smallest unit of data in a computer
  5. 7. a statement of the exact meaning of a word especially in a dictionary
  6. 9. Allows user to interact with a computer.
  7. 12. Used to print graphical output on paper
  8. 14. Read-Only Memory
  9. 15. short for loudspeaker.
  10. 16. a machine for printing text or pictures, especially one linked to a computer.
  11. 18. drawing