Lesson
Lesson-2.1.1- Understand that data is broken down into packets to be transmitted.
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Lesson-1.1.14- Understand how files are compressed using lossy and lossless compression methods. ??? Lossless compression reduces the file size without permanent loss of data, e.g. run length encoding (RLE) ??? Lossy compression reduces the file size by permanently removing data, e.g. reducing resolution or colour depth, reducing sample rate or resolution.PreviousLesson-2.1.2-Describe the structure of a packet.??? A packet of data contains a ??? packet header ??? payload ??? trailer ??? The packet header includes the: ??? destination address ??? packet number ??? originator???s address.Next