by Stepanenko Katarina

In the beginning  The Sumerians had 3 ways to count: for land, for fruit and vegetables, for animals.  BC, the Babylonians invented place values.  BC, the Babylonians invented Abacus.  1642 Blaise Pascal made an Arithmetic Machine.  1670s Leibnitz’s made the Step Reckoner. Step Reckoner Arithmetic Machine Abacus

The first computers  Computers - the people who did the calculations and wrote the books of answers.  1820s - Charles Babbage invented a Difference Engine  Babbage’s Analytical Engine with a kind of memory Ada Lovelace – the first computer programmer in 1979 a modern computer programming language was named ADA  1930s Konrad Zuse made the Z1

Alan Turing  was born in 1912  studied mathematics at Cambridge University  in 1939 began to work for the British Government  by 1942 built the Bombe to read Enigma code  by 1944 built Colossus to read Fish code Colossus The Bombe

IBM made the 610 Auto-Point The history of PC Intel made a computer chip 4004, etc Steve Jobs and Steve Wozniak started the Apple st home computer st big success of Microsoft Apple created iMac appearance of Intel Pentium, etc. now - modern PCs, notebooks, net books, laptops, iPads, iPods, etc.

The competition that made our life in the computer age real

Bill Gates and Microsoft  Was born in Seattle in 1955  Bill Gates and Paul Allen left university early and started Microsoft  MS’s 1 st big success came in 1981  MS made their own operating system which used pictures – they called it Windows  MS became the most successful company in computer software

Humans against computers Are they really more powerful and more intelligent than humans? Do they really think in the same way that humans think? Can they go wrong and start to do frightening and dangerous things? They can: -do millions of calculations every second; -play chess and look at 200,000,000 different chess moves; - even create pieces of music, etc.!!! Note: No one computer has passed the Turing Test yet… created by man.

The Internet YearInventorInvention 1970sthe Internet began as a way to send information from one computer to another early 1990sTim Berners-Lee (UK)Web 1995Pierre Omidyar (USA)Auction Web = eBay 1996Larry Page and Sergey Brin (USA)Google 1997Ilya Segalovich and Arkady Volozh (Russia)Yandex 1998Tom Hadfield (USA)Soccernet 2005Alex Tew (UK)Million Dollar Homepage

The Internet is great way to: Share information and ideas Copy music, video, pictures, etc. Communicate Find information Download documents and lots of other cool things… but you should know how to get profit from the global net. Buy and sell Travel

Getting the message  the 1 st telegraph machine  1840s - telegraph with Morse code  1920s – the telex  1980s – messages from one PC to another by the same e- mail system  1990s – messages by the Internet  late 1990s – text messages by mobile phones

Mobile phones have changed the lives of people all over the world! Let’s watch the evolution of the mobile phones…

Viruses A virus is a kind of computer program, that moves from one computer to another and damages the computer’s memory or other parts of the machine.

And we shouldn’t forget the history of Computer Gaming Spacewar and Adventure started the 2 most important kinds of computer games: - with fast action - with stories and imagination

Computer crime  Usually they do it by e- mail…the pretends to be from a large, well-known company that asks the victim to go to a company website and put in their name, account number and other information.  Using the Internet criminals can get victims’ addresses, the numbers of their bank accounts and so on

The future… What will it be?