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Abacus
The abacus was a simple to use device for calculating, made of a frame with rows of wires or grooves along which beads are slid. -
Napier's Bones
Also used as an arithmetic calculator, Napier's bones were made of ivory or other materials and was divided into different sections with numbers on them. It was used to facilitate multiplication as well as division. -
Pascaline
A calculating machine developed by French mathematician Blaise Pascal. Unlike Napier’s bones, it could only add and subtract but still received attention because many places in Europe needed a machine to add and subtract. -
Difference Engine
A special purpose device made in 1823 for the production of maths tables.By 1832, one seventh of the machine wasn’t even complete and the machine wasn’t completed eventually and was melted for scrap very soon. -
Hollerith Desk
The Hollerith Desk made by Herman Hollerith is a mechanism that uses electrical connections to trigger a counter which records information on small cards, and then punches holes into them. -
Electromechanical Computer
The Mark I electromechanical computer was created during World War II. The Mark I used pre punched paper tape to do simple calculations such as addition and subtraction. This was mainly used by the US Navy for measuring ballistics or shooting percentiles. -
IBM Stretch Computer
Company IBM(International Business Machines) released the IBM Stretch Computer which was able to be used in massive simulations. It was a supercomputer, 25 times faster than the original fastest computer at the time and was the world’s strongest computer. It was only used in science labs and in the NSA because it was worth 13.5 million dollars. -
Apple I
Apple’s first product, hand built by Steve Wozniak it had one keyboard an inexpensive TV screen. Steve Jobs and Steve Wozniak had to earn money to make it so Jobs sold his VW Microbus, and Wozniak sold his HP-65 calculator. -
IBM Personal Computer
The IBM PC was the most influential microcomputer to use the 8088 (a microprocessor).It used a clock frequency of 4.77 MHz. -
The Macintosh
A very popular model of a computer also made by Apple. It featured a GUI (graphical user interface), windows, icons and a mouse making it easy to control. -
Mac OS X
The successor to the Mac OS,a radical departure from the previous classic Macintosh operating system (Mac OS) and was Apple’s long-awaited answer for a next generation Macintosh operating system. It introduced a brand new code, as well as all previous Apple operating systems.X introduced the new Darwin Unix-like core and a completely new system of memory management. -
Xbox 360
A gaming console following Xbox 2000, the Xbox allowed any video games (that was made for Xbox) to be played on TV instead of a computer with a wireless controller. -
Nintendo WII
Similar to the Xbox, the Nintendo WII was played with a wireless controller, but the games were developed by WII themselves and the controller was like a TV remote. -
Apple iPhone
The first phone made by Apple following the success of the Apple I, Macintosh and the OS X. It had a touch screen and featured quad-band GSM cellular connectivity with GPRS and EDGE support for data transfer. -
Macbook Air
It consists of a full-size keyboard, a machined aluminum case, and an thinly light structure. The Air is available in model sizes corresponding with screen length: 13.3in and 11.6in -
Apple iPad
Similar to the iPhone, the iPad was a tablet computer marketed by Apple which had no keyboard, but a pop-up touchscreen keyboard. The device features an Apple A4 processor, a 9.7" touchscreen display, and on certain variants the capability of accessing cellular networks. -
Apple Watch
The Apple Watch is a smartwatch that operates as a device that is worn on someone’s wrist. It is similar to an iPhone because it has games, it can call and it can go on the internet.
