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In this historical image, taken in 1974 in the ESO offices in Santiago, Chile, we can see the Austrian astronomer Rudi Albrecht, pencil in hand, poring over code in front of a teletype. He was working on software for the Spectrum Scanner attached to the ESO 1-metre telescope located at the La Silla Observatory. The data were processed in Santiago using the Hewlett Packard 2116 minicomputer which can be seen behind the printer. This bulky computer, with one processor and a breathtaking 16 kilobytes of magnetic-core memory (!), stored the results on magnetic tape, ready for further processing by visiting astronomers on computers at their home institutes. To handle files on tape that were larger than the available memory, Albrecht developed a virtual memory system, which he contributed to the Hewlett Packard Software Center.
A close up of a small area of the overall array, allowing the individual tiny ferrite toroids to be seen - each toroid stores one bit of data.
Every toroid is threaded with three wires; the X and Y coordinate wires that address it, plus a sense/inhibit wire that runs through every core in one memory plane.
Effective V/V Integration 3
While the visual picture shows a mother holding her baby, the verbal part helps to integrate the message: Apple facilitates and simplifies technology for busy moms, a small computer that can be carried in a pocket while the baby is sleeping; it gives a sense of harmony, the visual vectors are the angle of the arm, the position of the hed of the baby and the minicomputer, which also gives the illusion of movement; color is almost monochromatic they grey blends with the white and the black background which is small portion of the picture gives some contrast.
Looking in to the assembled memory unit from the top.
The Ampex core module in the heart of the unit (the centre of the five circuit boards) has two core arrays, one either side of the board.
Dual Gigabit RJ45 LAN, SD card reader, Optical ports and one embedded SIM card slot for 3G/4G Module
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Solved by Ethan and Lewis, much to the consternation of the programmer who needed a minicomputer to solve it!
An outer PCB from the memory unit, this appears to be the drive circuits for the row and column wires of the arrays.
Looking in to the assembled memory unit from one edge, with one of the two memory layers just visible under the magnetic screening plate.
Gordon Bell worked on the first transistor computer in the USA, the TX-0 computer at MIT, which Gwen Bell used to analyse a redevelopment area of Boston. Gwen was the first person to develop a geographic information system on a computer and used it to produce a variety of maps. Gordon Bell moved to Digital Equipment Corporation (DEC) where he contributed to DEC's PDP-1, PDP-4, PDP-5, PDP-6, and PDP-11 series of minicomputers. He became vice-president of engineering, in charge of the development of the VAX computer. Gordon Bell opened Manchester's 50th Anniversary celebrations of the Baby in 1998.
Ken Olsen was a co-founder of DEC. He took it upon himself to preserve the Whirlwind (The first computer to use magnetic core memory, built by MIT for the US Navy), and asked Gwen Bell to recreate the TX-0 and to preserve early DEC equipment.
Together Gordon Bell, Gwen Bell and Ken Olsen founded The Digital Computer Museum in 1975 at DEC in Marlborough, Massachusetts, Gwen Bell being its founding President. It was one of the first and is now the most comprehensive museum of computer history.
MIT's TX-0 computer
The museum started as an exhibition space in the lobby of DEC's Marlborough, MA Building until it was moved to downtown Boston in 1984 where it opened to the public. In 1998 it moved to its current site in Mountain View, California where it is known as The Computer History Museum.
The Digital Computer Museum's creation was announced by a series of "Digital Pioneer Computer Lectures" organised by Gordon Bell-descriptions of pioneering computers given by people closely involved in their design, construction and operation. The series was opened on September 23rd, 1979 with a lecture on the Cambridge UK's EDSAC computer by Maurice Wilkes, with subsequent lectures by Stibitz, Forrester, Atanasoff, Zuse, Wilkinson, Brainerd, Flowers and Dai Edwards, who gave the 8th lecture on September 9, 1981, describing the innovations of the early Manchester computers from the Baby to Atlas.
The posters displayed here are the museum's original advertisements for the first 9 Digital Pioneer Computer Lectures. The lectures themselves can be seen on video at tcm.computerhistory.org/videos.html
Do you know the original SQL Server code was developed in the 1980s by the former Sybase Inc., which is now owned by SAP? Sybase initially built the software to run on Unix systems and minicomputer platforms. vforceinfotech.com/tx-course/ms-sql-server-business-intel...
Arduino is one of most popular minicomputer. It's high performance functional device with many additional modules and accessories. Increase Arduino functionality using original and compatible boards. In our store you will find Arduino boards, module, suitable at the beginning of the adventures with the platform, and experienced users.