Types of Information Source: Primary and Secondary Data

Looking at internal and external sources of data, as well as the parallel terms primary and secondary data.

This video is primarily designed for the written Unit 2 exam (Global Information) for the OCR Cambridge Technicals (CTEC) Level 3 Information Technology qualifications. Video #1 of LO5 (Understand the process flow of information).

For the ordered playlist of videos for the CTEC IT Global Information (Unit 2) exam, see here: CTEC/ CTECH IT Level 3 - Unit 2 (Glob...

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