**Silicon, Circuits, and the Digital Revolution**

**Twentieth Class**

**Being Digital: Binary Counting**

"Relearning" to count in preparation for study of digital electronics

1 + 11 = 100 ?

Review of Decimal Scheme

**Introduction to Binary Counting**

Addition of Binary Numbers

Concept Check: Binary Counting

Seven segment display

**Hexadecimal Numbers**

Addition of Hex Numbers

**Binary/Hex/Decimal Convertor**

**ASCII table**

**Other Online Resources**

**Data Powers
of Ten**

**How Bytes
and Bits Work** from How Stuff
Works

**Numbers and Number
Systems** from Psion Organizer II

**Base Converter**
and **Multiplication
Tables** from Cut the Knot!

**Another
Base Convertor**

Comments, suggestions, or requests to ghw@udel.edu.
"http://www.physics.udel.edu/~watson/scen103/colloq2000/class20.html" Last updated April 10, 2000. © George Watson, Univ. of Delaware, 2000. |