Digital Literacy and Computer Science (2018) Grade(s): 09-12

DLCS18.HS.29

Summarize the role of compression and encryption in modifying the structure of digital artifacts and the varieties of information carried in the metadata of these artifacts.

Unpacked Content

Knowledge

Students know:
  • that when a file is altered in any way, changes may be seen in the file metadata.
  • compression and encryption are two methods used when sharing data.

Skills

Students are able to:
  • explain the roles of compression and encryption.
  • summarize the effects of compression and encryption on the metadata of a digital artifact.

Understanding

Students understand that:
  • any process applied to data has the potential to alter the structure of the data.
  • it is important to be aware of potential changes to data structure when electing to use a process.

Vocabulary

  • compression
  • encryption
  • metadata
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