Your browser doesn't support the features required by impress.js, so you are presented with a simplified version of this presentation.

For the best experience please use the latest Chrome, Safari or Firefox browser.

Computing Unplugged
(Part 1: History)

Kansas 4-H Discovery Days 2016

How?

How?

How can we make things:

Images from Wikimedia Commons

Image from Wikimedia Commons

John Napier - log        Jacob Bernoulli - e

Image from Wikimedia Commons

Divided Differences

Sir Isaac Newton

Image from Wikimedia Commons

Divided Differences

P(x) = 2x2 - 3x + 2

x    P(x) D1(x) D2(x)
0 2 -1 4
1 1 -3 4
2 4 7 *4*
3 11 *11* 4
4 *22* 15 4
5 37 19 4

Computer (noun):
A person who makes calculations

Image from Wikimedia Commons

Difference Engine

Image from Wikimedia Commons

Pascaline

Image Source: Wikipedia

Analytical Engine

Image from Wikimedia Commons

Input Cards

Image from Wikimedia Commons

Jacquard Loom

Image Source: Wikipedia

The Mill

Image from Wikimedia Commons

The Store

Image from Wikimedia Commons









Father of the Modern Computer

Break Time!