Search results

Listed under:  Technologies  >  Information and communication technologies  >  Data processing  >  Data encoding  >  Data compression
Online

Data compression

Students will learn how the information in a pixel can be manipulated to change the image, and apply a bitmask filter to an image to remove some information and reduce the memory size of the file. Finally, students will modify the filter to find a balance between quality and small file size. Based on the original lessons ...

Online

Data Representation

Find out about Data Representation. Use this topic from the Digital Technologies Hub to learn more, get ideas about how to teach about it, find out what other schools are doing and use the applications and games in the classroom.

Online

Connected via a network

This is a unit for Year 9 from the Scope and sequence resources from the DT Hub. The topic of digital systems is organised into four key elements. Use this flow of activities to plan and assess students against the relevant achievement standards. Students develop and understanding that digital systems must be robust and ...

Online

Digital Technologies Hub

The Digital Technologies Hub is a website that supports Australian primary teachers, secondary teachers, students, school leaders and school communities in engaging with the Australian Curriculum: Digital Technologies. The hub provides scaffolded support for teachers and many of the resources will assist those getting started ...

Online

Seeing the big picture

This practical lesson sequence examines lossy and lossless techniques of data compression. Students perform comparisons of various compressions on a variety of images.

Online

Binary

Find out about the binary number system, a base-2 number system. Use this topic from the Digital Technologies Hub to learn more, get ideas about how to teach about it, find out what other schools are doing and use the applications and games in the classroom.

Online

A matter of style

In this lesson sequence students using the Zen Garden website, reflect on criteria for effective design. They then explore the benefits of stylesheets in separating style and content and to learn to how use them.