**1.1 - Binary**

Using Electricity as Data

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**

Typing club every "T" day

Unit 0 ISU started on Tuesday (0.2 releases Thursday, Feb. 10th)

Each Unit 0 item is available for a week and closes before the next "T" day.

**Lesson 1.1 - Binary**

What is

and why do we keep hearing about it in computer science?**binary**How do computers

?**compute**Slideshow for this lesson (an approximate accompaniment to what I will say in class)

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.

**Task(s) / Homework**

Complete the binary conversion and binary addition sheets that get handed-out in class.

Make sure you stay caught up with Unit 0

Maybe continue your historical figure research