Surprise Quiz 4

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Across
  1. 2. computing Data backup and storage of data are main benefits of ___.
  2. 3. The process of adding transactional details to the present digital/public ledger is called ___.
  3. 4. A 3D model is made by hundreds or thousands of layers .
  4. 5. clouds are used to keep the strategic operations and other reasons secure.
Down
  1. 1. 3D printing is ____ manufacturing is a process of making three dimensional solid objects from a digital file.