Revision notes, activities, lesson plans, teaching ideas, and other resources for GCSE, A-Level, and IB Computer Science teachers and students.
Examples of Local Cryptocurrencies
Digital Money for Local Communities covers three examples of country-wide c...
A hash function takes arbitrary sized input data (e.g. a fil...
Cryptocurrencies vs regular currencies
What is Bitcoin and How Does it Work? is a high level overview of the Bitco...
Examples of Cryptocurrencies
Bitcoin is by far the most well known cryptocurrency. The Bitcoin website w...
Practice paper 3 exam questions
One of the drawbacks of the yearly case study is that there are no past p...
Emergency Management System Explainer Video
This short video gives an overview of some EMIS features. It includes many ...
Geographic Information Systems (GIS)
For some functionality, an EMIS may also be connected to a GIS (Geographic ...
Programming languages - from Scratch to machine code
The CS Field Guide has a very comprehensive guide to different types of pro...
Assembly language simulators
There are several assembly language simulators available for use online. Si...
Click here for recommended AQA A-Level Computer Science textbooks.
220.127.116.11 Standard Application Layer Protocols
18.104.22.168 IP Address Structure
22.214.171.124 Public and Private IP Addresses
126.96.36.199 Network Address Translation (NAT)
Network Address Translation
This video does a good job of explaining quite a complex topic - the idea of Network Address Translation (NAT) and public and private IP addresses. Examples include how a university would support multiple computers and how a home network support multiple devices on a single IP address.
188.8.131.52 Client Server model
184.108.40.206 Thin vs Thick Client Computing