CLASS -4

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Across
  1. 3. First mechanical calculating machine.
  2. 6. An electronic pen attached to the computer.
  3. 8. A storage device can be carried easily.
  4. 9. First digital computer.
Down
  1. 1. First electronic computer.
  2. 2. Listen to music without disturbing others.
  3. 4. An engine developed by Charles Babbage.
  4. 5. A device used to copy text and pictures from book.
  5. 7. A printer which gives high quality print,
  6. 10. A company which built the first PC.