They then solve differential equations related to the aircraft's equations of motion to determine the appropriate command signals for the flight controls to execute the intentions of the pilot. The controllers at each surface receive these commands and then move actuators attached to the control surface until it has moved to where the flight control computer commanded it to. The controllers measure the position of the flight control surface with sensors such as LVDTs. This was preceded in 1964 by the Lunar Landing Research Vehicle (LLRV) which pioneered fly-by-wire flight with no mechanical backup. Implementations either use mechanical flight control backup systems or else are fully electronic. For this reason, most fly-by-wire systems incorporate either redundant computers (triplex, quadruplex etc.), some kind of mechanical or hydraulic backup or a combination of both. If one computer begins to give aberrant results for any reason, potentially including software or hardware failures or flawed input data, then the combined system is designed to exclude the results from that computer in deciding the appropriate actions for the flight controls. If the computer software crashes for any reason, the pilot may be unable to control an aircraft. In addition to overseeing the aircraft's flight control, the FBW offered "envelope protection", which guaranteed that the system would step in to avoid accidental mishandling, stalls, or excessive structural stress on the aircraft.

Boeing chose fly-by-wire flight controls for the 777 in 1994, departing from traditional cable and pulley systems. Digital signal processing can receive and interpret input from multiple sensors simultaneously (such as the altimeters and the pitot tubes) and adjust the controls in real time. Gyroscopes and sensors such as accelerometers are mounted in an aircraft to sense rotation on the pitch, roll and yaw axes. In 1941, Karl Otto Altvater, who was an engineer at Siemens, developed and tested the first fly-by-wire system for the Heinkel He 111, what is control cable in which the aircraft was fully controlled by electronic impulses. The Airbus A320 began service in 1988 as the first mass-produced airliner with digital fly-by-wire controls. High performance aircraft that have fly-by-wire controls (also called CCVs or Control-Configured Vehicles) may be deliberately designed to have low or even negative stability in some flight regimes - rapid-reacting CCV controls can electronically stabilize the lack of natural stability. Hence virtually all fly-by-wire flight control systems are either triply or quadruply redundant in their computers and electronics. 777 used ARINC 629 buses to connect primary flight computers (PFCs) with actuator-control electronics units (ACEs).

The Airbus series of airliners used full-authority FBW controls beginning with their A320 series, see A320 flight control (though some limited FBW functions existed on A310). The movements of flight controls are converted to electronic signals transmitted by wires, and flight control computers determine how to move the actuators at each control surface to provide the ordered response. This is because the digital computers that are running software are often the only control path between the pilot and aircraft's flight control surfaces. The Space Shuttle had, in addition to its redundant set of four digital computers running its primary flight-control software, a fifth back-up computer running a separately developed, reduced-function, software flight-control system - one that could be commanded to take over in the event that a fault ever affected all of the computers in the other four. As of June 2024, over 11,000 A320 family aircraft, variants included, are operational around the world, making it one of the best-selling commercial jets.

Any safety-critical component in a digital fly-by-wire system including applications of the laws of aeronautics and computer operating systems will need to be certified to DO-178C Level A or B, depending on the class of aircraft, which is applicable for preventing potential catastrophic failures. When replacing or installing new boat engine control cables you need to make sure and match them to your engine and in the correct length. The older Gigabyte board has several features that we shouldn’t need to discuss but will anyway: First is the voltage selector jumper, as early ARGB devices were available in both 5V and 12V (we haven’t seen a 12V ARGB device since the newer connector was standardized). It was to comprise twenty-five men from the Royal Corps of Sappers & Miners trained by the Electric Telegraph Company to construct and work the first field electric telegraph. In the United States, the Morse/Vail telegraph was quickly deployed in the two decades following the first demonstration in 1844. The overland telegraph connected the west coast of the continent to the east coast by 24 October 1861, bringing an end to the Pony Express.