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TK90X boot screen. The case was a little taller than the original Spectrum and the keyboard placement was equal to the original keyboard, except for some additional Sinclair BASIC commands that did not exist in the Spectrums (UDG for user defined characters in the place of the £ sign - including specific Portuguese and Spanish characters such as ç and ñ, as well as accented vowels - and the ...
The ES-1040 mainframe in Dresden, East Germany. By the end of the 1950s most COMECON countries had developed experimental computer designs, yet none of them had managed to create a stable computer industry.
The original DigiComp I. The Digi-Comp I is a functioning, mechanical digital computer sold in kit form. It was originally manufactured from polystyrene parts by E.S.R., Inc. starting in 1963 and sold as an educational toy for US$4.99 (equivalent to US$50 in 2023).
Tandy introduced its first Pocket Computer in 1980 as an experiment; BYTE stated that "neither Tandy nor any of the other pocket-computer makers really know if there is a meaningful market for this machine".
The Atanasoff–Berry computer (ABC) was the first automatic electronic digital computer. [1] The device was limited by the technology of the day. The ABC's priority is debated among historians of computer technology, because it was neither programmable, nor Turing-complete. [2]
The Xerox Alto is a computer system developed at Xerox PARC (Palo Alto Research Center) in the 1970s. It is considered one of the first workstations or personal computers, and its development pioneered many aspects of modern computing.
Mary Allen Wilkes working on the LINC at home in 1965; thought to be the first home computer user The 1974 MITS Altair 8800 home computer (atop extra 8-inch floppy disk drive): one of the earliest computers affordable and marketed to private / home use from 1975, but many buyers got a kit, to be hand-soldered and assembled.
The Instituto Loaiza Cordero para Niños Ciegos (lit., "Loaiza Cordero Institute for Blind Children"), also known as the Instituto Puertorriqueño para Niños Ciegos (lit., "Puerto Rican Institute for Blind Children"), is a former hospital and school complex for blind children and now a historic district located in the Santurce area of the city of San Juan, Puerto Rico.