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Charles Xavier Thomas mechanical calculator
Charles Xavier Thomas de Colmar was a French inventor and entrepreneur best known for designing, patenting and manufacturing the first commercially successful mechanical calculator. Blaise Pascal invented the mechanical calculator in 1642. *The date and month is not correct only the year is correct
Mechanical Calculator -
Jacquard loom punched card
Jacquard loom punch card is a method of data storage and to control sequence of information. It is basically like the storage room. It stores information from the computer. Punch card makes our lives easier in many different ways. It was very important in the olden days because it helped store data. *Date and month is incorrect
Jacquard loom punched card -
Augusta Ada King (Countess of Lovelace)
Ada Lovelace was born 10 December 1815, from Lord Byron and his wife Anne Isabella Byron. And she died at the age of thirty-six, on 27 November 1852, from uterine cancer probably exacerbated by bloodletting by her physicians. Augusta Ada King -
Chester Carlson's “Xerox Machine”
Chester Floyd Carlson (February 8, 1906 – September 19, 1968) was an American physicist, inventor, and patent attorney born in Seattle,Washington.He is best known for having invented the process of electrophotography, which produced a dry copy rather than a wet copy, as was produced by themimeograph process. Carlson's process was subsequently renamed xerography, a Chester Carlson's Xerox Machine -
Transistors
The transistor is a semiconductor device that is used to switch electronic signals and power. It started to develop in the 1950’s and its still the building block for electronics today. A voltage or current will be applied to one of the transistor’s terminals. It’s main purpose in the computer is to amplifying the signal. *date and month is not correct only the year is correct Transistors -
Tim Berners-Lee
Tim Berners-LeeTim Berners-Lee is British computer scientist. His full name is Timothy John Berners-Lee He is known as an inventor of World Wide Web(www.). World Wide Web(or what we call the web) was developed between March 1989 to December 1990. -
Integrated Circuit (chip) - Jack Kilby & Robert Noyce
The integrated circuit was invented by two electrical engineers at almost the same exact time.The Integrated Circuit was first invented on March 24, 1959. It is one of the most important devices to be ever invented. Society wouldn’t have personal computers or electronics without it. It is said to be the invention Integrated Circuit (chip) - Jack Kilby & Robert Noyce -
Douglas Engelbert
Douglas Engelbert invented the mouse in 1964. The mouse is an input device which is used to move the cursor around in the screen. They invented the first mouse in 1964. Douglas Engelbert
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Seymour Rubenstein & Rob Barnaby - WordStar Software
WordStar is a word processor application. It was released in 1979 by Micropro International. WordStar was the first commercially successful word processing software program that is produced for the microcomputers, and it is also the best selling software program of the early eighties. *date and month is worng but year is correct
Seymour Rubenstein & Rob Barnaby - WordStar Software -
MS-DOS Computer Operating System
MS-DOS short for Microsoft Disk Operating System) is an operating system for personal computer It was the most commonly used member of the DOS family of operating systems, and was the main operating system for IBM PC compatitble personal computers during the 1980s to the mid-1990s.- date an month is not correct, only the year is correct. MS-DOS Computer Operating System
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Apple Lisa Computer
The Apple Lisa Computer or the Lisa was designed by Apple computer, Inc. In the early 1980s. Output devices are Mouse, keyboard, monitor etc. Storage devices is the Floppy disk. Operating system is Lisa OS Xenix.
