The 164 Computer Science powerpoint covers the whole Data Representation unit. It contains the following: All subtopics in AS level for Data Representation Starter activities and some plenary Learning Objectives & link to AQA Specification Demonstrations & Modelling Questions with answers tailored for exam prep Recap checks Links to helpful resources/videos Animation to display answers at your own discretion Subtopics Number types, prefixes and base systems Character sets and Error Checking Binary range, addition and multiplication Representing negative numbers with twos complement or sign and magnitude Binary Fraction Images Sound Compression Encryption

This powerpoint will cover everything you need to know about network layers. It contains the following: Starter Activity Learning Objectives Analogies and questions Slides notes with links to external resources Plenary