A simple demonstration of the characters available ASCII and Unicode
How does a computer describe colours using red, green and blue?
Understand how images are stored inside the computer
See how binary can be used to represent characters in a typeface
Record a sound and see how the soundwave is sampled
See how sampling rate and sample size affect the representation of sound
Why is it useful to know how images are stored inside a computer?
Why images need metadata - and what would happen if there weren't any?
How are programs stored inside the computer?
Compression of text using Huffman Coding and Run-Length Encoding
Other ways of representing images sounds - vector graphics and MIDI
How to represent an image using text characters and compress the result.
How we can use mathematical descriptions to describe an image.
How does a computer describe colours using HSL?