1.1 - Binary! Using Electricity as Data

What is Binary and Why Use it?

Digital processors require electricity to work. But how do they make decisions or calculate something as simple as 2 + 2 or as complex as ray tracing in 3D video games?

Review

Everyone has their accounts?
- @stu.ocsb.ca
  Typing Club
  Replit
Should be finished 0.1 and 0.2 from the Independent Learning unit.
Optional challenges are available, if you are bored. I will add more when I have time.
First 10-15 minutes of class is for gathering required devices, organizing, and Typing Club practice.

Today's Lesson: 1.1 - Binary

What is binary and why do we keep hearing about it in computer science?
How do computers compute?
Slideshow for today's lesson (please note, the slides are just an accompaniment to what I will say in class)

Today's Task(s) / Homework

During the lesson there will be several handouts to practice binary and converting binary <> decimal. These can be found linked in the slideshow for the lesson, but it is not necessary that you print them.
Complete the binary conversion and binary addition sheets that were handed-out in class.
- You can check your answers in tomorrow's class.