Come on in - sit anywhere you like

• Find your nametag and stand it up on your desk
• Take a look at your grade in studentvue
• Discuss this question with your neighbors: When we convert text to binary - did we lose anything in the process?

Last time we…

• Looked at parts of a computer
• Invented counting systems with everyday objects

Before we start, some vocab:

• Analog
• Digital
• Abstraction
• Sampling
• Loss

Before we start, some vocab:

• Analog: Information in the real world
• Digital: Information converted for storage on a computer
• Abstraction: Taking something complex and making a simpler version
• Sampling: Collecting little pieces of information
• Loss: Information that you lose from sampling

Images: Levels of abstraction

1. Divide an image into pixels
2. Convert each pixel into a single color
3. Map each color to the closest available color
4. Convert the color to binary

Practice - with black and white

• See “Black and White Images Activity” on Canvas

Practice - with colors

• Your assignment: Create art with post-it notes

This is a recap slide

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