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This is the 9th video in a series of worked solutions designed to help students revising for GCSE Computer Science Paper 1.

Past paper used in this video:

The paper is based on (but not the same as) the Edexcel Paper 1 for June 2018.

For more information click here:

This video includes the answers to Question 3b and introduces Question 3c

Learning objectives:

3.3.3: understand how a lossless, run-length encoding (RLE) algorithm works

5.1.4: understand that network data speeds are measured in bits per second (Mbps, Gbps)

5.1.2: understand the different types of networks (LAN, WAN) and usage models (client-server, peer-to-peer)

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