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Leibniz machine (Gottfried Wilhelm von Leibniz)
The calculating machine was built and developed in 1668. Leibniz machine is that before it was invented, calculating machines could only add and subtract. It is output devices. -Anusha -
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George Boole (Boolean Algebra)
George Boole was an English mathematician, philosopher. He worked in the fields algrebic logic, and is now best known as the author of the law of thought . -Wao -
Charles Xavier Thomas’s Mechanical Calculator
Charles Xavier Thomas was the frenchman who, in 1851, had manufactured the mechanical calculator that was used until World War I. His machine was very successful, Thomas' machines were constructed between 1820 and 1878. Its main contribution to the Computer System is that it can be used for calculations used in the computer and it can be classified as a combination between an input, output, and processing device. -Mona -
Augusta Ada King (Countess of Lovelace)
Charles Wheatstone, a friend of Babbage’s, commissioned Lovelace to translate an Italian article, written by Luigi Menabrea, about Babbage’s Analytical Engine in 1852-1853. Her notes contained the algorithm that is the first program. This program that she made can be categorized as a software or application. -Lisa -
Chester Carlson's Xerox machine
The first xerox machine was invented in the year 1938, in New York City. It’s important to the computer system because it helps us photocopy papers. The xerox machine is an output device. -Nini -
Integrated Circuit
In 1959 March 24, Jack Kilby was said to be the person who invented the integrated circuit, but it was developed way before him. Integrated circuit was actually the idea of four main people who are Jack Kilby, Kurt Lehovec, Robert Noyce and Jean Hoerni. Integrated circuits classify as hardware device and the processor since it is touchable and also in the CPU which where the processes occur. -Mickey -
Douglas Engelbart
Douglas Engelbart invented mouse in 1964. The first mouse was created. The first mouse was made from wood and its designed by Bill English from Engelbarts sketch. Mouse is an input device that move around things in your computer screen. -Julia -
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MS-DOS
Microsoft Disk Operating System(MS-DOS) used member of DOS of operating family systems. It was the main operating system of IBM PC compatible personal computers during 1980s-mid 1990s. -Hetvi -
Tim Berners Lee (World Wide Web)
Inventor that invented world wide web. He wrote the first web client and server in 1990. His specifications of URLs, HTTP and HTML were refined as Web technology spread. World Wide Web is a network. -Jion -
Charles Babbage Analytical Engine
The Analytical Engine was the worlds first general-purpose computer. It was designed by Charles Babbage, an English Mathematician in the 1830s. It was finally constructed in the year 1991 because the government hadn't supported it enough to pay for it earlier. This engine is classified to be input and output devices. -Amrita