Understanding Data · Class 12 · CBSE · Science Computer Science
A weather station stores the value 32.5 along with the details 'air temperature', 'degree Celsius', and '10:00 AM'. What do these additional details…
Practice question from Understanding Data (Class 12 · CBSE · Science Computer Science), with the correct answer and a step-by-step solution.
medium · MCQ · Q-EF81DB
A weather station stores the value 32.5 along with the details 'air temperature', 'degree Celsius', and '10:00 AM'. What do these additional details primarily represent?
- A.Metadata describing the data valueCorrect answer
- B.Unstructured data replacing the data value
- C.Duplicate values generated from the data
- D.A primary key used to identify the weather station
Solution
Metadata is data about data. The measurement type, unit, and time provide context that explains the meaning and origin of 32.5.
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