History of a computer By: Shaheen

1623 The first machine that calculates works. It was made by a German inventor whose name was Wilhelm Schickard. d achines_adders.htm

1774 The first telegraph was built by Samuel Morse.

1792 Claude Chappe a French engineer invented the Semaphore to connect long distances.

1804 Joseph-Marie Jacquard invented the automatic loom. IT.htm

1861 The first permanent picture/photograph was taken by the photographer whose named by Thomas Sutton and was invented by James Clerk Maxwell. well

1868 The first type writer was invented by Christopher Latham Sholes, Carlos Glidden and Samuel W. Soule.

1875 The company Tokyo Shibaura Electric K.K was established by Tanaka-Seizo-sho in Japan and later it was called Toshiba rgy/2013/07/energy-management-toshiba- acquires-cybergrid.html

1896 Herman Hollerith generates a company for machines called Tabulating Machine Company. Now it is know as the IBM. =28411_Article

1906 Xerox was founded by Joseph C. Wilson and Chester Carlson. tm

1907 Lee Forest invented the first electric switch for the electric computer. orest.htm

1928 The Galvin Manufacturing Corporation was founded by Paul and Joseph Galvin. Now the company is known as Motorola. ola.htm

1936 The first binary computer was invented by Konrad Zuse. built-first-computer.html

1937 The first electronic digital computer was invented by John Atanasoff. department/history/history-of-computing/

1942 The first drum memory was invented by John Atanasoff. anasoff

1943 The first electronic computer was invented /ENIAC

1947 The memory systems are now working. tube.htm

1951 The first random access memory was invented by Jay Forrester. c-core-memory/

1955 The 7 th computer has been invented by using the magnetic storage memory. It was invented by Konrad Zuse. d_zuse.htm

1957 IBM invents their first computer using 2000 transistors. =28411_Article

1968 The first desktop computer was marketed by Hewlett Packard also known as HP.

1968 Internet was invented by UCLA ted. 2/02/ucla-anderson-ted-week-ucla-anderson- ted-week-schedule.html

1969 Intel invents the static random-access memory. m

1970 The first mouse for a computer was invented by Douglas Engelbart. pe.com/people/douglas _engelbart.htm

1971 The first microprocessor was invented by intel and Marcian Hoff l

1974 The microprocessor is improved. igital-logic/12/284/1539

1975 The first PCs were shipped with 1 KB. years-of-pcworld-30-pivotal-moments-in-pc- history/

1975 Microsoft was founded. htm

1975 The first portable computer was invented. 3/first-portable-computer-55-pounds-and- cost-more-than-a-car/

1976 The 5.25 inch floppy disc was invented. inch_floppy_disk.jpg

1987 The Microsoft PowerPoint was invented. Point

1991 The world wide web is invented also known as www. science-and-curation-the-new-practice-of- web-2-0

1996 Laptops were invented. aptop-clip-art-vector-clip

1999 The first micro drive was invented by IBM. rodri.htm

THANK YOU FOR WATCHING