Computing, Computer Science, and Information Technology resources for GCSE, IGCSE, IB, and GCE A-Level
Revision notes, activities, lesson plans, teaching ideas, and other resources for GCSE, A-Level, and IB Computer Science teachers and students.
CommandPoint by Northrop Grumman offers a range of CAD systems for various ...
TriTech Software Systems is a company that specialises in Computer Aided Di...
London Ambulance CAD failure
The 1992 London Ambulance Service CAD failure is probably the most notoriou...
Washington State 911 Failure
A 911 emergency telephone system in Washington State and Oregon shut down f...
London ambulance failure (2017)
A 2017 failure of a London ambulance dispatch system is believed to have le...
Computer Aided Dispatch outage
A 911 system failure left emergency calls unanswered and is said to have co...
Load balancing videos
This short article and the associated video explain 5 load balancing algori...
Intergraph Computer-Aided Dispatch (I/CAD
Intergraph Computer-Aided Dispatch (I/CAD) is a system offering many of the...
Boolean logic worksheet pack
These three Boolean logic worksheets have exam style questions on logic sta...
Logic Lab is a free online logic circuit simulator featuring many input and output devices, and even a propeller!
Logic gates: AND, OR, NOT
A revision video from Computerphile which covers the three basic logic gates: AND, OR, and NOT. The video includes truth tables, logic gate symbols, and the different notations that are used to denote 'AND' and 'OR'.
Edexcel GCSE Computer Science: Logic
Boolean expressions and logic gates are covered in this video which revises theoretical content for Edexcel topic 4.3, but is useful for other Computer Science syllabuses too.
Boolean logic worksheets
These sheets from cse4k12 are excellent activities to help students understand Boolean logic and Boolean conditions. The sheets present students with a series of 2D shapes with different properties. Students must identify and use different Boolean conditions (e.g. isTriangle, isShaded) to select particular groups of shapes.
PDF and SVG versions of the documents are supplied, and they are licenced under CC-SA, so you can make alterations if you wish (e.g. adding colour)
The site also has several related worksheets, such as Boolean logic to Venn diagram handouts and truth tables for logic gates.