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Qualification:
Cambridge Advanced Nationals in Computing (AAQ)
Certificate:
Computing: Application Development (H029 / H129)
Unit:
F161: Developing Application Software
2.2 - Data Flow
Watch on YouTube:
Data vs Information
Data Input
Information Output
Black Box Concept
You need to know the difference between the terms 'data' and 'information' and how data is input to be converted to information as an output. There are specific types of input and output, including numbers, text, movement, audio and images.
You need to understand how data and information flows through application software and can be stored. You must be able to represent data flow in a diagram using the black box concept.
What You Need to Know

Data and Information
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Data Input
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Information Output
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Black Box Concept
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Questo's Questions
2.2 - Data Flow:
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1. What? [2]​
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2. What? ​[1]
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3. What? ​[1]
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4. What? ​[1]
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Did You Know?
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