1. http://www. physics-chemistry-interactive-flash-animation

2. Storing images and sound in binary
Lesson Objective: Understand how a computer stores images and sound with binary numbers
Learning Outcome: Complete the worksheet

4. Simple example:
2 bits per pixel
Image is 8 bits by 11 bits
The binary data is stored and the images can be reconstructed from this.

6. What does a sound ‘look’ like?

7. Digital and Analogue signals
Computer
Analogue Signals
DIGITAL ONLY!
Analogue Signals
Analogue
to Digital Converter
Digital to
Analogue Converter
No entry to Analogue

8. 101
100
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