Revision notes, activities, lesson plans, teaching ideas, and other resources for GCSE, A-Level, and IB Computer Science teachers and students.
Emergency Management System Explainer Video
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Geographic Information Systems (GIS)
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Programming languages - from Scratch to machine code
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Assembly language simulators
There are several assembly language simulators available for use online. Si...
Little Man Computer (LMC)
The Little Man Computer (LMC) is a software simulator of a simple computer ...
Lesson - Data representation - sound
This download contains all lesson resources necessary to teach students how...
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AI to help emergency dispatch phone operators
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Mobile Data Terminals (MDT)
MDT technology is referenced in the case study booklet, with such systems b...
Click here for recommended AQA A-Level Computer Science textbooks.
Binary Tetris is a flash game designed to help teach students the binary number system. Players must flip bits to achieve the required number, or add up the bits to calculate the number being represented. I'd recommend asking students to turn their sound off before starting this!
This simple game challenges players to flip the right bits to create the specified number. The current total is displayed as bits are changed, and there is a timer to complete against. Students may be surprised to learn this game was created using Scratch.
Hexadecimal-binary matching game
This is a fun little matching pairs style game in which players must match decimal numbers with their hexadecimal equivalents. A good way of testing students' ability to quickly perform mental conversions. Click here to play.
The new-look BBC Bitesize site have extensive notes on binary numbers, with clear diagrams and examples of how they work and how they can be added. Several videos brighten up the content and key concepts are related to real-life situations - such as CPU word size. Later pages of the notes cover conversion between different number bases. The site also features short multiple-choice quizes to test students' understanding of the key concepts.
Binary conversion activities
These two worksheets help students with decimal to binary conversion and vice versa. The activities were created by Gary Kacmarcik at the Computer Science & Engineering for K-12 site and are licensed under the Creative Commons Attribution-Share Alike 3.0 license.
Binary crossword activities
These two puzzles are a great way to test students' hexadecimal to binary conversion skills. They work much like a normal crossword, except that the clues are written in hexadecimal and the answers must be written in binary. Once complete, the crosswords make simple bitmap images if the 1s are shaded and the zeroes left blank. You can download puzzle 1 (answers) and puzzle 2 (answers).
These puzzles were created by Gary Kacmarcik at the Computer Science & Engineering for K-12 site - an excellent site which I recommend you visit. They are licensed under the Creative Commons Attribution-Share Alike 3.0 license.
A worksheet that explains the "divide into groups of 4" method of converting binary numbers to hexadecimal numbers.
This was created by Gary Kacmarcik at the Computer Science & Engineering for K-12 site - an excellent site which I recommend you visit. They are licensed under the Creative Commons Attribution-Share Alike 3.0 license.