The following statements have been made about data and information. (1) In-depth analysis of data on a database in order to identify undiscovered trends or patterns in the data is known as data mining. (2) Large public databases are a major source of feedback for many commercial organisations. Which of the above statements is/are true?
A、1 only
B、2 only
C、Neither 1 nor 2
D、Both 1 and 2
A、1 only
B、2 only
C、Neither 1 nor 2
D、Both 1 and 2
【参考答案及解析】
Feedback is information captured within an organisation by measuring output from the system. Information from an external source cannot be feedback.
Feedback is information captured within an organisation by measuring output from the system. Information from an external source cannot be feedback.