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IGCSE Computer Science 0478: 1.Data Representation: 1.2 Text, sound and images

IGCSE Computer Science 0478: 1.Data Representation: 1.2 Text, sound and images

Subject: Computing

Age range: 14-16

Resource type: Lesson (complete)

Last updated

9 October 2025

pdf, 791.93 KB
pdf, 791.93 KB

Candidates should be able to:
1- Understand how and why a computer represents text and the use of character sets, including American standard code for information interchange (ASCII) and Unicode
2- Understand how and why a computer represents sound, including the effects of the sample rate and sample resolution.
3- Understand how and why a computer represents an image, including the effects of the resolution and colour depth

Creative Commons "Sharealike"

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