1.2.4 Data Representation

How computers store Numbers, Characters, Images, and Sound using binary.

Binary Numbers

Binary, Hexadecimal, Binary Shifts and Addition.

Learn Numbers

Characters

ASCII vs Unicode character sets.

Decode Text

Images

Bitmaps, Colour Depth, and Resolution.

View Images

Sound

Sample Rate, Bit Depth, and ADC conversion.

Hear Sound

Hex Attack

Game: Convert Binary/Hex to Denary under pressure.

Play Game

The Pixelator

Tool: Visualise Resolution & Colour Depth.

Launch Pixelator

Audio Grapher

Tool: Visualise Sampling and Bit Depth.

View Grapher