Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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 Check 

Across: 1. A device attached to the computer 4. Non-Volatile memory 7. A type of file you can view but not change 8. A type of disc with multimedia information on it 9. A method of data entry where marks on paper are detected by a scanner and converted into pieces of data

Down: 1. A device used to make a paper copy of a file 2. Volatile memory 3. A type of network 5. Another name for the Internet 6. Also known as C