____________ is data collected from natural systems.

Related MCQs

• Which of the following is a data store that is a subsidiary of a data warehouse of integrated data
• Data marts that incorporate data mining tools to extract sets of data is called______.
• A natural way to visualize the process of training a self-organizing map is called __________.
• The data from the operational environment enter ........................ of data warehouse.
• Data warehouse contains ................ data that is never found in the operational environment.
• A _____ algorithm takes all the data at once and tries to create a hypothesis based on this data.
• The _______ data are stored in data warehouse.
• A data warehouse is said to contain a time-varying collection of data because ___.
• A data warehouse is an integrated collection of data because _____.
• Data mining methodology states that in optimal situation data mining is an _____.