History of Computers
Development and Evolution of the Precursors of Computers
Play
Marcos Laín
The Abacus
The abacus is thought to have been invented between 1000 B.C. and 500 B.C. It was already used in Babylon in 300 B.C. It consists of a series of metal or wooden rods where beads slide along. Despite its anquity, it is used nowadays in many Eastern countries.
The Printing Press
Johannes Gutenberg invented in 1440 the printing press machine. He based his models in ancient Chinese printing techniques. It was able to print simultaneously up to 4 copies of
the same document faster than a copying person lasts to write one.
Oughtred's slide rule
In 1636 William Oughtred pattented the slide rule. It has several numerical scales which allow us to do aritmethical operations. It measures 25 cm iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii iiiiiiiiiii i ii iiiii
and it has been adapted to different fields like electronics, construction, aeronautics and civil engineering.
Pascal's Pascaline
The pascaline was the first calculation device using wheels and gears. It was invented in 1642 by the French mathematician Blaise Pascal. It was sized like a shoes box. A
system of gears make it possible to obtain numbers from 0.01 to 999,999.99. To add or sustract you just have to activate the crank in the proper way.
Differencial Machine
Difference Device
In 1822 Charles Babbage conceived the differential machine. He is considered the father of modern computing. It was never built by him but it gave rise to the following inventions.
Differencial Machine
Zuse's machines
Z1 was a electro-mechanical device designed in 1936 by Konrad Zuse. It used binary code and its programation was limited. It used the floating-point numbers to represent very big and very small numbers. This system is similar to scientific notation. The following models Z2, Z3 and Z4. The last one was the first computer been sold. Sales got over the well-known Mark I.
Differencial Machine
Computer generations
Since 1940 technological development allowed us to create more efficient computer with other inventions such as vacuum valves or transistors.
Today we keep evolving as we develop novel fields like nanotechnology and artificial intelligence, which were just unthinkable 80 years ago.
Differencial Machine
History of computers
Marcos Laín
Created on September 13, 2023
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Transcript
History of Computers
Development and Evolution of the Precursors of Computers
Play
Marcos Laín
The Abacus
The abacus is thought to have been invented between 1000 B.C. and 500 B.C. It was already used in Babylon in 300 B.C. It consists of a series of metal or wooden rods where beads slide along. Despite its anquity, it is used nowadays in many Eastern countries.
The Printing Press
Johannes Gutenberg invented in 1440 the printing press machine. He based his models in ancient Chinese printing techniques. It was able to print simultaneously up to 4 copies of
the same document faster than a copying person lasts to write one.
Oughtred's slide rule
In 1636 William Oughtred pattented the slide rule. It has several numerical scales which allow us to do aritmethical operations. It measures 25 cm iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii iiiiiiiiiii i ii iiiii
and it has been adapted to different fields like electronics, construction, aeronautics and civil engineering.
Pascal's Pascaline
The pascaline was the first calculation device using wheels and gears. It was invented in 1642 by the French mathematician Blaise Pascal. It was sized like a shoes box. A
system of gears make it possible to obtain numbers from 0.01 to 999,999.99. To add or sustract you just have to activate the crank in the proper way.
Differencial Machine
Difference Device
In 1822 Charles Babbage conceived the differential machine. He is considered the father of modern computing. It was never built by him but it gave rise to the following inventions.
Differencial Machine
Zuse's machines
Z1 was a electro-mechanical device designed in 1936 by Konrad Zuse. It used binary code and its programation was limited. It used the floating-point numbers to represent very big and very small numbers. This system is similar to scientific notation. The following models Z2, Z3 and Z4. The last one was the first computer been sold. Sales got over the well-known Mark I.
Differencial Machine
Computer generations
Since 1940 technological development allowed us to create more efficient computer with other inventions such as vacuum valves or transistors.
Today we keep evolving as we develop novel fields like nanotechnology and artificial intelligence, which were just unthinkable 80 years ago.
Differencial Machine