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Dennis MacAlistair Ritchie (September 9, 1941 – c. October 12, 2011) was an American computer scientist. [3] He created the C programming language and the Unix operating system and B language with long-time colleague Ken Thompson. [3]
2011. AMD announced the world's first 8-core CPU for desktop PCs. 2017. AMD announced Ryzen processors based on the Zen architecture, with up to 16 cores. 2017. Intel 8th generation Core i3, Core i5, Core i7 and Core i9, increased to approximately 4, 6, 8 and 8 cores respectively. 2017. Over 100 billion Arm based CPUs shipped. [19] 2020.
The Lisa was one of the first personal computers with a graphical user interface (GUI) that was sold commercially. It ran on the Motorola 68000 CPU and used both dual floppy disk drives and a 5 MB hard drive for storage. The machine also had 1MB of RAM used for running software from disk without rereading the disk persistently. [72]
The first computer to use magnetic tape. EDVAC could have new programs loaded from the tape. Proposed by John von Neumann, it was installed at the Institute for Advance Study, Princeton University, Princeton, New Jersey, US. 1951: Australia CSIRAC used to play music – the first time a computer was used as a musical instrument. 1951: US
A more interactive form of computer use developed commercially by the middle 1960s. In a time-sharing system, multiple teleprinter and display terminals let many people share the use of one mainframe computer processor, with the operating system assigning time slices to each user's jobs. This was common in business applications and in science ...
Konrad Zuse was born in Berlin on 22 June 1910. [21] In 1912, his family moved to East Prussian Braunsberg (now Braniewo in Poland), where his father was a postal clerk.Zuse attended the Collegium Hosianum in Braunsberg, and in 1923, the family moved to Hoyerswerda, where he passed his Abitur in 1928, qualifying him to enter university.
With Ken Thompson, pioneered the C programming language and the Unix computer operating system at Bell Labs. 1977 Rivest, Ron: Ingenious contribution and making public-key cryptography useful in practice. 1958–1960 Rosen, Saul: Designed the software of the first transistor-based computer. Also influenced the ALGOL programming language. 1975, 1985
ENIAC (/ ˈ ɛ n i æ k /; Electronic Numerical Integrator and Computer) [1] [2] was the first programmable, electronic, general-purpose digital computer, completed in 1945. [ 3 ] [ 4 ] Other computers had some of these features, but ENIAC was the first to have them all.