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A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times, and the best ...
MU-TH-R 182 model 2.1 terabyte AI Mainframe/"Mother" (more commonly seen now as "MU/TH/UR 6000"), the onboard computer on the commercial spacecraft Nostromo, known by the crew as "Mother", in the 1979 movie Alien (cf. Dark Star, above, which used a similar name and was co-written by Dan O'Bannon, the primary writer of Alien)
Of the latter figure, 75% were professional or work related, while the rest were sold for personal or home use. About 81.5% of personal computers shipped had been desktop computers, 16.4% laptops and 2.1% servers. The United States had received 38.8% (394 million) of the computers shipped, Europe 25% and 11.7% had gone to the Asia-Pacific ...
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
For gaming the global market of gaming desktops, laptops, and monitors is expected to grow to 61.1 million shipments by the end of 2023, up from 42.1 million, with desktops growing from 15.1 million shipments to 19 million. [38] PC gaming as a whole accounts for 28% of the total gaming market as of 2017. [39]
[15] [16] However the Baby was not regarded as a full-fledged computer, but more a proof of concept predecessor to the Manchester Mark 1 computer, which was first put to research work in April 1949. On 6 May 1949 the EDSAC in Cambridge ran its first program, making it another electronic digital stored-program computer. [ 17 ]
The first LEO III was completed in 1961; it was a solid-state machine with a 13.2 μs cycle time ferrite core memory. [19] It was microprogrammed and was controlled by a multitasking "Master program" operating system, which allowed concurrent running of as many as 12 application programs.
A diagram showing how the user interacts with application software on a typical desktop computer.The application software layer interfaces with the operating system, which in turn communicates with the hardware.