View stunning SlideShares in full-screen with the new iOS app!Introducing SlideShare for AndroidExplore all your favorite topics in the SlideShare appGet the SlideShare app to Save for Later — even offline
View stunning SlideShares in full-screen with the new Android app!View stunning SlideShares in full-screen with the new iOS app!
The Slide Rule Used for multiplication and division as well as some scientific functions. Invented around 1620 in England. Used by engineers in the 1950’s and 1960’s until the invention of the computer and calculator. Used by early pilots and astronauts!
Analogue – Older style computers and machinery that
use mechanical parts such as springs, wires and
circuits to work and manage data.
Simple analogue machine, an analogue watch:
Not as reliable or accurate as digital.
Digital – Data is managed by electronic signals. Modern computers and equipment such as mobile phones and mp3 players all use digital technology. An electronic digital watch. Faster and more powerful than analogue technology. Analogue - Digital
Scientists have recently invented a plastic processor which will allow for even more impressive technology, for example computers in food packaging or clothes! It is this technology will also help reduce the price of computers.