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Compression & Internet File Formats

Lesson Video

51

Lesson Tasks

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What do I need to Learn?

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I need to learn how to explain what data compression is.

I need to learn how to understand why data may be compressed and that there are different ways to compress data.

Key Terms

Compression Lossy compression lossless decompression JPEG MPEG MP3 GIF PDF PNG File Formats HD MB/s

Data Compression

There are no book tasks for this topic so use the resources on this page and read through the notes on page 53 of your booklet and then answer the questions below in your PowerPoint

Questions

Explain what data compression is.
Describe the techniques of lossy and lossless compression.

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Lesson Notes
Compression & Internet File Formats

Revision
Compression & Internet File Formats

Lesson Video 51