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The surprising things you don’t know about big data

A detailed infographic covering the concept of Big Data. Each graphic tackles a different aspect of this phenomena, including data sizes, big data companies, the past, present and future of big data and how data will impact society. Suitable for students aged 11 - 16 years,  the information is easy to comprehend...

Databases unplugged

This report gives details of a series of computing lessons designed to relate fundamental concepts of database use and design to children in Primary and Secondary Education (ages of 6 to 16). The skills and concepts developed in these lessons begin at a very simple level but progress to cover abstract...

Modems unplugged - sound representation

All data on computers is stored and transmitted using the binary number system. When the binary digits need to be sent over the phone lines (which often happens in home internet connections), the digits are converted to sound and decoded at the other end using a modem. This activity uses audio coding similar...

Introduction to sound and music computing

A highly technical overview of how sound is represented in a computer, how digitising sound changes the quality of it and how reducing the sample rates can effect the resulting audio. The resource also comes with a number of sound samples to illustrate these concepts, along with both Python and Scratch programs to...

Computational thinking and algorithms

An unplugged activity to convert binary numbers into coordinates that enable students to recreate an image using values given in binary. The resource also includes a spreadsheet which can be used to make more complex images for use with students at a more advanced level. The presentation is more of a discussion of...

Making data digital

This resource looks at various ways at how digital images and sounds are quantified in such a way that the computer can store and interpret them. This looks at the effects of digitising different types of data, and the effect that this has on both the size and the quality of the resulting files. It may be necessary...

Binary and bitmapped images

A series of spreadsheet-based activities to simulate both binary and hexadecimal encoded image files. The students are required to convert between binary and hexadecimal as well as to and from denary as part of the process of solving these puzzles. The worksheet contains a number of example pictures which the...

Bitmap canvas editor in Excel

Although this resource does not contain any instructions for how to use it in a lesson, or lesson plans to go with it, it could easily be used to support the delivery of other activities as students learn about how images are created and stored, as well as how they are represented in the memory of a computer....

Elements of BASIC

This book introduces the computer language BASIC; covering the mathematical, non-numeric and data-processing facilities. Where possible the text is machine independence although supplements are included to show variations in a number of manufacturer's implementations.

Teacher-led research

 

'Teacher-Led Research' is a how-to guide for teachers, whether they use the term evidence-based, evidence-informed, evidence-engaged or evidence-led to describe the way they think about the...

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