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...
Click here for recommended OCR GCSE Computer Science textbooks.
The Central Processing Unit (CPU)
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'.
Boolean logic worksheet pack
These three Boolean logic worksheets
have exam style questions on logic statements and truth tables. There are 22 questions in total, covering AND, OR, and NOT gates. Answer sheets included.
BBC Bitesize: Data Storage
Covers all aspects of primary and secondary storage devices, including interactive lesson activities, notes, and a revision quiz. Well illustrated, this page also details the relative advantages and disadvantages of each storage medium.
BBC Bitesize covers a wide range of input and output devices. Key concepts are clearly explained. The great thing about the BiteSize site is that it links to a series of related resources, including student activities, news article links, and online dictionaries and encyclopedias.
IGCSE ICT has notes on many topics (including input and output devices) that are useful for a range of ICT and Computing courses. The notes are very comprehensive, clearly divided into sections, well illustrated, and easily understandable for students. This is a good starting point for a lot of topics - not just for the IGCSE course.
TeachICT: detailed notes covering printers, screens, speakers, and more. Teach-ICT does have a range of activities for most topics, though they tend to be a bit gamey and only really appealing to younger students.
Although targetted at the IGCSE ICT syllabus, this site still has a lot of useful information for other courses. Their section on storage covers different types of storage media and storage devices, including optical, magnetic, and solid state systems. They also have a section on backing up data.
Teach-ICT is a popular site which covers the basic topics of computer science - in this case, with notes on secondary storage devices and comparisons in terms of capacity, speed, portability, durability, and reliability. It also has a small section on online storage (cloud computing)
Computer Hope has a good overview of storage devices. The page divides storage hardware into optical, magnetic, and solid state devices, and there are links to sub-pages with much more information. The content is clearly presented and easy to read, making it very accessible for students.
Lesson resources - Storage devices
This download contains PowerPoint presentations, worksheets, and Internet resources for the topic storage devices. It includes a comparison of the types of devices and their properties.
This lesson is one of the many excellent resources provided under CC-NC-SA by Mr Colley.
Magnetic, Optical, and Solid State storage
These three videos explain how data is stored on magnetic storage such as hard drives, optical storage devices such as CD-ROMS, and solid state storage such as flash disks.