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GM solved this problem by using an approach developed by Boeing, replacing the milling head of a computerized milling machine with a ball-point pen and connecting the inputs of the mill to the 704 computer. To address the extremely limited amount of memory available on the 704, they broke the diagrams down into 32-by-32-inch squares, which ...
The GM-NAA I/O input/output system of General Motors and North American Aviation was the first operating system for the IBM 704 computer. [1] [2] It was created in 1956 by Robert L. Patrick of General Motors Research and Owen Mock of North American Aviation. [1] It was based on a system monitor created in 1955 by programmers of General Motors ...
It is an improvement on the General Motors GM-NAA I/O operating system, the first operating system for the IBM 704. The main objective was to improve the sharing of programs. The SHARE Operating System provided new methods to manage buffers and input/output devices. Like GM-NAA I/O, it allowed execution of programs written in assembly language.
PCM: Power-train control module (Ford, GM, JLR) ECM: Engine control module; Injection control unit (Peugeot, [2] Citroën, Fiat, Alfa, Lancia) DME/DDE: Digital Motor Electronics / Digital Diesel Electronics (BMW, [3] Mini) ECU: Electronic control unit / Engine control unit
The GM Technical Center was inaugurated in 1956 as General Motors's primary design and engineering center, located in Warren, Michigan. In 2000 the center was listed on the National Register of Historic Places , and fourteen years later it was designated a National Historic Landmark , primarily for its architecture.
It was used on all GM vehicles, at least in the North American market, from 1975 through the mid-1980s. [vague] The system is an electronic system that requires no scheduled maintenance, provides up to 35,000 volts to fire the spark plugs and increase spark plug life, especially when unleaded fuel is used. The HEI system has 40% more voltage ...
GM and Samsung announced the joint venture in June of last year. The $3.5 billion plant is being built on a 680-acre site and is expected to employ 1,600 workers. It will make nickel-rich ...
Delco Electronics had been supplying all GM automobiles sold in the US with Engine Control Modules (ECMs) since 1981 when the US Clean Air Act required 3-way catalytic converters and controlled air-fuel ratios. The production ECMs were becoming more complex, and were becoming powertrain controllers controlling the transmission, spark timing ...