computing

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Across
  1. 3. an app used to change an image, picture, painting or video.
  2. 4. something that concludes an try.
  3. 6. waves something that carries out sound.
Down
  1. 1. something you use to talk louder.
  2. 2. height below or above sea level or ground level.
  3. 5. quality how good the quality of the sound or recording is