Computer Hardware and software Peirong

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Across
  1. 3. can makes us hear loudly.
  2. 5. helps us speak more clearly
  3. 7. It is used to copy the picture and sentences on a paper.
Down
  1. 1. It can listen music.
  2. 2. It has many keys.
  3. 4. It is used for showing presentations.
  4. 5. It is used to move the pointer.
  5. 6. can help us get more information