Metadata
I can describe what metadata is and how it is used to provide data about images and sounds.
Metadata
I can describe what metadata is and how it is used to provide data about images and sounds.
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Lesson details
Key learning points
- Metadata is data that describes other data.
- Metadata provides extra information about the properties of an original artefact as textual data that can be searched.
- Image and sound file metadata provides a range of information that can be used in a variety of ways.
Keywords
Metadata - data used to describe other data
Common misconception
Metadata is only used when a user needs to know when a file was made or changed.
Metadata can be used in a variety of ways. For example, software can be designed to make use of metadata for effective cataloguing and providing extra information about the properites of a file being used.
To help you plan your year 10 computer science lesson on: Metadata, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 10 computer science lesson on: Metadata, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 4 computer science lessons from the Representation of text, images and sound unit, dive into the full secondary computer science curriculum, or learn more about lesson planning.
Equipment
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Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
data that describes other data
the total number of pixels in an image
the number of samples taken per second
textual metadata
the number of bits used to represent each pixel
a property of a sound file