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The History Of Computers

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Sam Fraser

on 25 April 2016

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Transcript of The History Of Computers

The history of computers
Computers go a long way back. They were once very simple things but the technology grew and grew and now they are very advanced pieces of tech and a lot of different companies make them. In this prezi you will find out about them.
alan turing and collosus/ bletchley park
Steve jobs and apple
Steve Jobs was born on the 24th of February 1955 and died on the 5th of October 2011. He is the co-founder and CEO of Apple. He is also CEO of Pixar Animation Studios. He is also founder, chairman, and CEO of NeXT Inc.- an American computer company which he created whilst at apple. As you can see, he is a very important man!
This is the apple logo which is an immediately recognisable symbol which most of the world knows.
Apple was founded by Steve Jobs, Steve Wozniak, and Ronald Wayne on April the 1st, 1976, to make and sell computers. It was first named as Apple Computer, Inc. on January 3rd, 1977, and was renamed as Apple Inc. on January 9, 2007, to show people that they were also making different electrics such as; phones, music players etc. Apple is the world's largest technology company measured by the amount of devices made and the world's second-largest mobile phone maker. In November 2014 Apple became the first U.S. company to be valued at over US $700 billion.
Bill Gates and Microsoft
Bill Gates was born on the 28th of October 1955. He is an American investor and computer programmer. In 1975, Bill Gates and Paul Allen co-founded Microsoft, which became the world's largest PC software company. During his time at Microsoft, he held the positions of chairman, CEO and chief software architect, and owned the most of the company until May 2014.
This is the Microsoft logo which is another easily recognisable symbol. It is used in advertising, products etc.
The company got bigger and dominated the computer operating system market with MS-DOS in the 1980s. After that they made Microsoft windows. The company got so big, that it created three billionaires and around 12,000 millionaires of Microsoft employees. In May 2011, Microsoft got Skype Technologies for $8.5 billion in its largest buy off another company to date.
George Boole
George Boole was born on the 2nd of November 1815 and died on the 8 December 1864. He was an English mathematician, philosopher and logician. He mainly worked on equations and logic (algebra). He was most famous as the author of The Laws of Thought which was written in 1854. In the book, he included Boolean algebra- the values of the variables and the truth values (if something is true or false).



Blaise Pascal
Blaise Pascal was born on the 19th June 1623 and died on 19th August 1662. He was a French mathematician, physicist, inventor and writer.
Whilst still a teenager, he started work on claculators. After three years of trying and fifty prototypes, he built 20 finished machines which he called Pascal's Calculators and later Pasculines. This titled him as one of the first two inventors of the calculator. Willhelm Schickard invented the Calculating Clock, the first mechanical calculator
Charles Babbage
Charles Babbage was born on 26 December 1791 and dies on the 18 October 1871 was an English polymath. This means that he was basically good at a lot of things. He was a mathematician, philosopher and an inventor and engineer. He is known for inventing the first ever working computer.




Parts of his uncompleted designs and machines are on display in the London Science Museum. In 1991, a functioning difference engine was built from Babbage's original plans.
the pocket calculator
An inventor called Jack Kilby invented somthing called a Micro Chip. They help process large amounts of information in small amounts of time. They also aided scientists in developing computers that could fit into offices and even pockets.
The pocket calculators we use today are way more advanced than the early types, performing multiple functions. Kilby’s work has brought considerable changes to electronics.
Tim Berners-Lee
Sir Tim Berners-Lee was born on the 8th of June 1955. He is a computer scientist, best known as the inventor of the World Wide Web. He asked for an information management system in March 1989, and he invented the first successful communication between a HTP (Hypertext Transfer Protocol) client and server using the Internet around mid-November of 1989.


Tim Berners-Lee is the director of the World Wide Web Consortium, which helps and looks over the development of the Web. He is also the founder of the World Wide Web Foundation, and is a senior researcher at the MIT Computer Science and Artificial Intelligence Laboratory.
Admiral Grace Hopper
Debugging is basically finding and destroying the effects that prevent correct operation of computer software or a system. It is called this because of the fact that there was a bug in a computer and someone got it out- Debugging!
Alan Turing And Colossus
Alan Turing was born on the 23rd of June 1912 and died on th 7th June 1954. He was a ot f things including a: computer scientist, mathematician, biologist and more! He was a big help in the development of computer science, he gave legal status to the algorithm with the Turing machine. Turing is widely considered to be the father of computer science.
Colossus was designed by the engineer Tommy Flowers to solve a problem created by mathematician Max Newman who worked at the Government Code and Cypher School at Bletchley Park. Alan Turing's use of probability in cryptanalysis helped with its design. It has sometimes been said, incorrectly, that Turing made Colossus to aid the cryptanalysis of the Enigma. Alan Turing's machine that helped decode Enigma was the Bombe, not Colossus.
So that's that. The history of computers. I hope that
you enjoyed my presentation. Thanks for listening!
Ada Lovelace
Augusta Ada King, Countess of Lovelace was born on the 10 December 1815 and died on the 27 November 1852. She was an English mathematician and writer, mainly known for her work on Charles Babbage's early computer, the Analytical Engine. Her notes said things about planning and carrying out an operation on a computer. Because of this, she is often regarded as the first computer programmer.
Grace Hopper was born on the 9th of december 1906 and died on the 1st of January 1992. She was a computer scientist
and
a Navy Admiral! She was one of the first programmers of Havard Mark 1
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