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Digital Images

This short homework or worksheet activity describes how a bitmapped image has been stored in a file, including the encodings used in binary to represent the 4 colours which make up the image, and the height and width of the image. The data is all given in binary format. Students are then expected to recreate the...

Introduction to App Inventor

An introductory resource to App Inventor for students aged 11- 14 years. App Inventor is a visual programming environment that allows students to build mobile apps for smartphones and tablets. This resource contains a teacher presentation and worksheet to support the students in their development of a simple 'spot...

Debugging system for students

A resource which provides learners with a user friendly strategy to utilise when they come across a bug they do not understand. SNOT stands for Self, Neighbour, Other, Teacher, and it includes a framework for recording who students have sought help from, and who they have helped along with record sheets to record...

Data Representation -Data Compression

This resource, aimed at lower ability Key Stage 4 students, introduces the concept of data compression, specifically Run Length Encoding. Students are asked to use an online tool to convert names into binary (ASCII), this binary data is then subjected to Run Length Encoding and encoded binary compared to the...

Relational Databases -Santa's Workshop

A resource aimed at the various GCSE Specifications for Computing. Activities are broken down into 14 stages and will require students to create a Relation Database...

Networks Role Play -Packet Routing

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...

Why computer systems must be reliable

This lesson focuses on the reliability of computer systems, and specifically how this applies in the case of self driving cars, and what some of the implications might be if this reliability is not demonstrated. Students begin by...

How does your home network work?

This resource contains an unplugged activity to model how home networks work. It builds up to increasingly more complex networks, adding in details such as routers, wifi aceess points and the internet along the way. The lesson plan contains links to the Progression Pathways documentation, and differentiation ideas...

Computer Misuse Act and Cyber Crime

This resource contains a Lesson Plan centred on the Computer Misuse Act and the choices students might have to make with respect to the act and peer pressure. It helps make clear to students what activities are considered criminal ones with respect to the act as well as asking them to rank criminal activity online...

Python Validation

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...

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