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.
Boolean logic worksheet pack
These three Boolean logic worksheets have exam style questions on logic sta...
Edexcel Computer Science (9-1)
by Ann Weidmann et al
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Dijkstra's algorithm video
This video is probably the best explanation of Dijkstra's algorithm for IB ...
Input-Process-Output (IPO) Model
The Input-Process-Output model is a simple topic but some students sometime...
A comprehensive review of hexadecimal. The video covers not only how to u...
Subprograms, Local Variables & Structured Programming
Subprograms are known by several different names - methods, functions, proc...
Utility Software and Models
Some students find the difference between operating system software and ut...
This video explains different types of data structures - 1 dimensional ar...
Operating System (OS) - GCSE Computer Science
A detailed overview of operating systems, starting with the general tasks t...
4.5 Programming Languages
4.5.1 High Level Languages and Low Level Languages
Edexcel GCSE Computer Science: Programming Languages
Covers high level programming languages and low level programming languages, plus the difference between compilers and interpreters, for Edexcel topic 4.5.
Machine, Assembly & High-Level Programming Languages
A clear explanation of the differences between the many programming languages available. Near the beginning of the video is an excellent diagram that shows machine code, low level languages, high level languages, and human languages on the same continuum, to help you understand how they differ. It then goes into more detail about the benefits and drawbacks of each language type.
The relationships between translators, compilers, and interpreters confuses many students. Throw in assemblers and it can be hard to understand anything about this topic. This video tries to address that confusion, with clear explanations and lots of clear examples.