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A CS Unplugged series resource aimed at younger students but also works well with A level students. This illustrates the concept of minimal spanning trees and graph traversal.

A short unplugged activity. This uses string and various other props to enable students to simulate the various network topologies required for GCSE Computing. The activities lead naturally into discussions around protocols, data collisions and reliability. A large open area may be required depending on the size...

This series of five one-hour lessons covers computer networks at secondary-school level. The objectives of the lessons are:

  • Describe what a network is, the difference between a LAN and a WAN and identify three network topologies.
  • Describe pieces of hardware that are needed in a network.
  • ...

This resource contains some rules for an unplugged networking activity to model how routers and networks deal with transmitting packets of data. The activity is designed for 6 people to act as routers, who apply the routing rules to packets of data. There are 4 end points which send and receive packets according to...

Students would find this Computing at School community resource useful as a revision resource for the topics of networks and the internet. It is suitable to be issued as a sequence of homework tasks.

Normalisation of floating point binary numbers is usually a topic where students require practice. This pair of documents explain the technique and then provide a set of questions with answers for independent working.

Another great resource from the Computing at School community which is suitable as a consolidation activity for small groups, designed to consolidate learning regarding converting positive integers between the binary, denary and hexadecimal number...

Greenfoot is an object oriented programming language based on Java. This resource uses a skeleton crab game program to teach the principles of Greenfoot programming. Students complete the activities to complete the program. The resource includes a greenfoot project and a completed project. These are aimed at...

This is a very comprehensive resource from the University of Cambridge detailing the main functions of generic operating systems. It could be used as a reference or basis for a comprehension question sheet or preparing model answers for examination questions. Students will also see links with other topics such as...

This article from the CS4FN Magazine, looks into the ideas surrounding Intellectual Property, copyright, copyleft and patents and how these all apply (or don't) in the realm of computer programming and software. These ideas can be used as...

This resource is a comprehensive beginner’s guide to creating procedural programs using Python 3. It would be suitable for self-paced learning and independent work. There are also activities that are suitable as homework tasks that reiterate key terms and concepts. It was originally developed for the pre-2015...

This booklet consists of 16 introductory programming challenges, some of the challenges also provide further extension challenges, for every challenge there is a "Self Review" section which asks students to comment on whether they managed to complete the task successfully, whether they had any errors initially and...

This resource consists of an information sheet detailing various methods for validating user input in Python, these come in the form of a table consisting of some code in one column and an overview of what the corresponding code does. There is an associated zip file with code examples in it and a presentation which...

Databases are a fundamental part of modern organisations. This resource consists of an activity sheet, answer sheet and a highly usable utility for using SQLite with Python. The activities enable students to produce implement what they have learned from the theoretical content.

 

Produced in 2015, these resources look at the development of encoding messages and how technology and science has developed to allow us to keep messages secure. Looking at unintuitive quantum properties of light, Heisenberg’s Uncertainty Principal and entanglement, students will see how keys can be shared to ensure...

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