IT Theory

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Across
  1. 3. A field that uniquely identifies a given entity in a table
  2. 4. A condition in which an attribute is dependent on another attribute that is not part of the primary key.
  3. 10. A primary key that consists of more than one attribute.
  4. 11. the degree to which data is accurate, precise and trusted
  5. 12. On-demand availability of delocalized computer system resources
  6. 13. the process of analyzing data to extract information not offered by the raw data alone
Down
  1. 1. Where all data is kept irrespective of the source and its structure
  2. 2. A large collection of data from many different sources
  3. 5. Designing a database by splitting the data into related tables to reduce data redundancies.
  4. 6. An Internet service that provides remote storage to computer users.
  5. 7. Process of converting readable data into unreadable characters to prevent unauthorized access.
  6. 8. A protocol for sending packets that does error-checking to ensure all packets are received and properly ordered
  7. 9. systems use light instead of electricity to transmit information