AQA AS-Level Data Representation
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