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Computers through time

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Ben Townshend

on 2 September 2013

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Transcript of Computers through time

Computers through time
Computers through time
Before Christ-
Dark ages-
Middle Ages -
Industrial age-
20th Century-

Before Christ
The abacus - the first known calculator, was probably invented by the Babylonians as an aid to simple arithmetic around this time period. This laid the foundations for positional notation and later computing developments.
Middle ages
1100-1400 AD
Industrial age
1700- 1900 Ad
After 30 years of development, Thomas de Colmar launched the mechanical calculator industry by starting the manufacturing of a much simplified Arithmometer.
Dark Ages
Chinese inventor Liang Lingzan built the world's first fully mechanical clock; water clocks, some of them extremely accurate, had been known for centuries previous to this. This was an important technological leap forward; the earliest true computers, made a thousand years later, used technology based on that of clocks
1400- 1600
Leonardo da Vinci produced drawings of a device consisting of interlocking cog wheels which can be interpreted as a mechanical calculator capable of addition and subtraction. A working model inspired by this plan was built in 1968 but it remains controversial whether Leonardo really had a calculator in mind.[23] Da Vinci also made plans for a mechanical man: an early design for a robot.
Ramon Llull invented the Lullian Circle: a notional machine for calculating answers to philosophical questions (in this case, to do with Christianity) via logical combinatorics. This idea was taken up by Leibniz centuries later, and is thus one of the founding elements in computing and information science
20th Century
1900 Ad- 2000 Ad
CSIR Mk I (later known as CSIRAC), Australia's first computer, ran its first test program. It was a vacuum tube based electronic general purpose computer. Its main memory stored data as a series of acoustic pulses in 5 ft (1.5 m) long tubes filled with mercury.

Apple Macintosh Computer
The more affordable home computer with a GUI.
Microsoft Windows
Microsoft begins the friendly war with Apple.

MacBook Pro
The best invention ever!!
It is super fast
and super cool
The new MacBook is — astonishingly — even easier to install a hard drive into than the last generation. It sits next to the battery, so all you have to do is pop the metal battery cover off, undo one screw, pull out the existing hard drive and slide the new one in.

2000 AD
The end
6000 BC- 1 AD
400- 1000 AD
Full transcript