What is the difference between primary and secondary data? Why is it important to obtain Secondary data before primary data?
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primary data is erasable data and secondary data is non erasable data
Because primary data may lost when device is off
tell me is it right
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why is it important to obtain secondary data before primary data? because there is information out there that people already put time and effort in to find the data that you don't have to spend on it. The information is either free or cheap. ... -serve as a source of comparative data for primary data.
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