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Computer Science, usually GCSE
Run-Length Encoding - data compression
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Run-Length Encoding - data compression

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A worksheet to demonstrate RLE data compression. Enables to show how the RLE, type of lossless, data compression works and evaluate what features of data influence the compression ratio. A step into lossy compression.
Easy steps to balance chemical equation
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Easy steps to balance chemical equation

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When balancing a chemical equation it is easy to get lost along the way. The method is rearranged so when you do get lost you can recover easier by making detailed note for how the balance changes along the way.
Network topologies
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Network topologies

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Recognize basic network topologies - answers on a separate sheet Students have to know characteristics of network topologies, be able to find corresponding picture, know the names of network topologies. Here is how it works: A student gets a text description of network topology Has to find this topology on a picture - so they can have a look at them all and have to understand how descriptions correspond to pictures Each picture has a number which points to where the answer for the hint should be put Picture for hybrid topology is missing, but it can be worked out where ‘hybrid’ fits as it is the only one left after filling all other solutions