Demystifying Computers

How They Really Work

Osher Lifelong Learning Institute
University of Illinois, Urbana-Champaign

Scott Badman, Instructor

Session 2: Binary Arithmetic

September 23, 2013

This evening we will look at the the definition of "Data" and then the Binary Number System, which is the practical basis of all data processing.

Core Concepts

The definition of "data"

The Binary Number System (Base 2) works exactly as the Decimal Number System (Base 10) (or any other number base).


The Definition of "Data"

Binary Arithmetic


Definition of Data (Power Point)

Definition of Data (pdf file)

Binary Arithmetic (Power Point)

Binary Arithmetic (pdf file)