## Listing all results (793)

### Designing and Building Software at Key Stage One

From the Nuffield Foundation, these activities allow children to work in teams to design and build a piece of interactive, multimedia presentation software for other children to enjoy and learn from. The teams produce one final product and test their design ideas on the target audience, which may be another class...

Publication date:
1990 - 1999

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### Teaching the KS2 Role Play Lesson

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Publication date:
2000 - 2009

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### You Can Say That Again! - Text Compression

Computers only have a limited amount of space to hold information, so they need to represent information as efficiently as possible. This is called compression. By coding data before it is stored, and decoding it when it is retrieved, the computer can store more data, or send it faster through the Internet. This...

Publication date:
2000 - 2009

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### Card Flip Magic - Error Detection

When data is stored on a disk or transmitted from one computer to another, it is usually assumed that it doesn’t get changed in the process. But sometimes things go wrong and the data is changed accidentally. This activity uses a magic trick to show how to detect when data has been corrupted, and how to correct it...

Publication date:
2000 - 2009

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### Count the Dots - Binary Numbers

Data in computers is stored and transmitted as a series of zeros and ones. In this activity students explore how words and numbers can be represented using just these two symbols. This resource includes ideas teachers can use to introduce the topic in order to develop understanding of the binary system followed by...

Publication date:
2000 - 2009

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### Colour by Numbers - Image representation

Computers store drawings, photographs and other pictures using only numbers. The following activity demonstrates how they can do this. This resource includes ideas teachers can use to introduce the topic in order to develop understanding of image representation followed by two activities to be used as reinforcement...

Publication date:
2000 - 2009

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### Twenty Guesses - Information Theory

This resource asks the question ‘How much information is there in a thousand page book?’ It continues by exploring how to estimate how much space is needed to store the information and introduces a way of measuring information content. The resource begins by discussing what is meant by information and how amounts...

Publication date:
2000 - 2009

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### Battleships - Searching Algorithms

Computers are often required to find information in large collections of data. They need to develop quick and efficient ways of doing this. This activity demonstrates three different search methods: linear searching, binary searching and hashing. This resource begins with the introductory activity of battleships....

Publication date:
2000 - 2009

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