Representation of text, images and sound

Lessons (8)

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Representation using binary sequences

I can describe how computers represent data and instructions using binary sequences.

1 Slide deck
1 Worksheet
2 Quizzes
1 Video

Representing text using ASCII and Unicode

I can explain how computers represent text.

1 Slide deck
1 Worksheet
2 Quizzes
1 Video

Text file size calculation

I can calculate and compare the file size of text data when different encoding methods are used.

1 Slide deck
1 Worksheet
2 Quizzes
1 Video

Representing bitmap images

I can describe how computers represent bitmap images.

1 Slide deck
1 Worksheet
2 Quizzes
1 Video

Bitmap file size calculation

I can explain how resolution and colour depth affect the file size of an image.

1 Slide deck
1 Worksheet
2 Quizzes
1 Video

Representation of sound

I can describe how computers represent sound.

1 Slide deck
1 Worksheet
2 Quizzes
1 Video

Calculation of sound file sizes

I can explain how sample bit depth and sample rate affect the size and quality of a sound file.

1 Slide deck
1 Worksheet
2 Quizzes
1 Video

Metadata

I can describe what metadata is and how it is used to provide data about images and sounds.

1 Slide deck
1 Worksheet
2 Quizzes
1 Video

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