Digital technologies / Year 9 and 10 / Digital Technologies Knowledge and Understanding

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Curriculum content descriptions

Analyse simple compression of data and how content data are separated from presentation (ACTDIK035)

Elaborations
  • explaining how simple compression schemes reduce the size of repetitive data, for example how run length encoding reduces the size of images
  • explaining the difference between lossy and lossless compression, for example the difference between JPEG and PNG images
  • explaining codecs for audio-visual compression, for example common codecs for video formats
  • generating a layout or report in a database or applying a style sheet to a web page
General capabilities
  • Critical and creative thinking Critical and creative thinking
  • ICT capability Information and Communication Technology (ICT) capability
ScOT terms

Data representation,  Computer files,  Data compression

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Learning area Digital technologies

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5 direct matches to ACTDIK035

Teacher resource

Data Representation

  • TLF-IDM021268

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.

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Teacher resource

Binary

  • TLF-IDM021247

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.

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Teacher resource

Seeing the big picture

  • TLF-IDM021037

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

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Teacher resource

Connected via a network

  • TLF-IDM021749

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 ...

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Teacher resource

A matter of style

  • TLF-IDM021035

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.

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Teacher resource

Digital Technologies Hub

  • TLF-IDM020779

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 ...

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