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Edwin Albert Link (July 26, 1904 – September 7, 1981) [1] was an American inventor, entrepreneur and pioneer in aviation, underwater archaeology, and submersibles.He invented the flight simulator, which was called the "Blue Box" or "Link Trainer".
Link Trainer at Freeman Field, Seymour, Indiana. Freeman Field was a US Army Air Force field in World War II. Link and his company had struggled through the Depression years, but after gaining Air Corps interest the business expanded rapidly and during World War II, the AN-T-18 Basic Instrument Trainer, known to tens of thousands of fledgling pilots as the "Blue Box" (although it was painted ...
Many software functions would be moved to microcode, and instruction sets could be customized, with different firmware loaded for different instruction sets. [ 3 ] As computers began to increase in complexity, it became clear that various programs needed to first be initiated and run to provide a consistent environment necessary for running ...
An over-the-air update (or OTA update), also known as over-the-air programming (or OTA programming), [1] is an update to an embedded system that is delivered through a wireless network, such as Wi-Fi or a cellular network. [2] [3] [4] These embedded systems include mobile phones, tablets, set-top boxes, cars and telecommunications equipment.
The universal Turing machine was a type of stored-program computer capable of mimicking the operations of any Turing machine (computer model) based on the software instructions passed to it. The storage of computer programs is key to the operation of modern computers and is the connection between computer hardware and software. [7]
This DEC machine easily outperformed the PC, but was more expensive than, and completely incompatible with IBM PC hardware and software, offering far fewer options for customizing a system. Unlike CP/M and DOS microcomputers, every copy of every program for the Professional had to be provided with a unique key for the particular machine and CPU ...
The interior of the Apollo PLSS Diagram of the A7L PLSS and OPS, with interfaces to the astronaut and the Lunar Module cabin. The portable life support system used in the Apollo lunar landing missions used lithium hydroxide to remove the carbon dioxide from the breathing air, and circulated water in an open loop through a liquid-cooled garment, expelling the water into space, where it turned ...
Construction worker wearing an MSA Skullgard hard hat at Douglas Dam, Tennessee (), 1942. Mine Safety Appliances, or MSA Safety Incorporated, is an American manufacturer and supplier of safety equipment designed for use in a variety of hazardous conditions in industries such as construction, the military, fire service, and chemical, oil, and gas production.