revision by Jake for comp sci

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Across
  1. 3. the other one that isn't lossless
  2. 5. packing things into a small space or file
  3. 7. unit of digital image lenghth
Down
  1. 1. the other one that isn't lossy
  2. 2. all goi into white
  3. 4. india mike alpha golf echo
  4. 6. delta papa india (phonetic alphabet)