1. Technology Timeline Carman Seely 3 rd period

2. First Computer The word “computer” was first recorded being used in 1613 and was originally used to describe a person who performed calculations or computations. The definition of a computer remained the same until the 19 th century when it began referring to a machine that performed calculations. In 1822 Charles Babbage purposed and began developing the Difference Engine, considered to be the first automatic computing engine that was capable of computing numbers and making hard copies and results. http://www.computerhope.com/issues/ch 000984.htm

3. Mainframe and Minicomputer MainframeMinicomputer Mainframe is a big computing machine which handles thousands of users across the world. Mainframe computers history starts in the 1950s. IBM started selling in 1952, by announcing IBM 700 series. The word “minicomputer” is a term for smaller computers Minicomputers evolved in mid 1960s and sold for much less than mainframes. http://www.mainframegurukul.com/ibm/ what-is/mainframe-computer.html http://en.wikipedia.org/wiki/Minicomput er

4. Microcomputer, Apple 1 and 2 MicrocomputerApple 1 and 2 A microcomputer is a computer with a microprocessor as its CPU. It includes a microprocessor, memory, input/output. Such computers are physically small compared to mainframes and minicomputers. Smaller microcomputers first marketed in the 1970s Wozniak had been dabbling in computer design, when finally in 1976 he design the Apple 1. The Apple did not begin to take off until 1977, when the Apple 2 debuted at a local computer trade show. The Apple 2 was the first personal computer to come in a plastic case, and include color graphics. http://www.britannica.com/EBchecked/to pic/380316/microcomputer http://apple-history.com/h1

5. Macintosh (Mac) and Macintosh XL MacintoshMacintosh XL On January 24, 1984 was introduced. It was the first commercially successful PC to feature a mouse and a graphical interface rather than a command line interface. Macintosh XL was introduced in January 1985. The Macintosh XL had a larger memory, and was often referred to as the “Hacintosh.” http://en.wikipedia.org/wiki/Macintoshhttp://en.wikipedia.org/wiki/Macintosh_ XL

6. iPhone 3gs and iPhone 4 iPhone 3gsiPhone 4 iPhone 3gs was introduced June 8, 2009. It had a camera with higher resolution and video ability, voice control, and better performance over all. iPhone 4 was announced on June 7, 2010. It is typically marketed for video calls (FaceTime), consumption of media, and access to internet and e-mail. http://en.wikipedia.org/wiki/IPhone_3GS http://en.wikipedia.org/wiki/IPhone_4

7. iPhone 4s and iPhone 5 iPhone 4siPhone 5 iPhone 4s was announced on October 7, 2011. It is marketed for Siri and iCloud, and a higher resolution camera. iPhone 5 went on sale September 21, 2012. Apple says it’s the thinnest, lightest, fastest ever. http://en.wikipedia.org/wiki/IPhone_4S http://www.pocket-lint.com/iphone+5