Representing Data with Images and Sound: Bringing Data to Life
CO209 Online course
Learn how data is represented through media; audio, visual and text.
Learn how data is represented through media; audio, visual and text.
This online course explores how computers do interesting things with data. You’ll discover how to represent and manipulate text, images and sound and compression and other algorithms.
You will:
- Describe how computers represent things in binary.
- Explain common text encoding (ASCII and UTF-8).
- Produce your own emoji in bitmap and vector form.
- Investigate the physics of sound, and how sampling allows computers to represent sounds.
- Compare lossy and lossless compression.
This course is part of the Teach GCSE computer science certificate.
Teach GCSE computer science
Our certified professional development programme will equip you with the subject knowledge and confidence to successfully teach and lead GCSE computer science.
Join this course
You need to be logged in to start the course.
Not got a STEM Learning account?
Create an account
Also part of Teach GCSE computer science:
Algorithms in GCSE computer science
Develop your understanding of algorithms to successfully teach this topic in GCSE computer science.
An Introduction to Computer Networking for Teachers
Build your knowledge and understanding of computer networks as a computer science teacher
Data and computer systems in GCSE computer science
Help your students understand computer systems, binary code and processor performance.