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Analog (program), a computer program that analyzes log files from web servers; Analogical models, a method of representing a phenomenon of the world by another, more understandable or analyzable system; Functional analog (chemistry), a compound with similar properties; Structural analog, a compound with an altered chemical structure
An analog signal uses some property of the medium to convey the signal's information. For example, an aneroid barometer uses rotary position as the signal to convey pressure information. In an electrical signal, the voltage , current , or frequency of the signal may be varied to represent the information.
Transmission of information by changing the magnitude of a carrier signal, for example sending sound by radio. analog circuit A circuit where currents and voltages vary continually within some practical range, in proportion to some signal. analog filter An analog circuit that alters some frequency-related property of a signal. analog signal ...
There are notable non-electrical analog devices, such as some clocks (sundials, water clocks), the astrolabe, slide rules, the governor of a steam engine, the planimeter (a simple device that measures the surface area of a closed shape), Kelvin's mechanical tide predictor, acoustic rangefinders, servomechanisms (e.g. the thermostat), a simple mercury thermometer, a weighing scale, and the ...
A good example is software, formed by analogy with hardware; other analogous neologisms such as firmware and vapourware have followed. Another example is the humorous [18] term underwhelm, formed by analogy with overwhelm. Some people present analogy as an alternative to generative rules for explaining the productive formation of structures ...
Analogue electronics (American English: analog electronics) are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels. The term analogue describes the proportional relationship between a signal and a voltage or current that represents the signal.
This is a list of examples of early computation devices considered precursors of the modern computers. Some of them may even have been dubbed 'computers' by the press, though they may fail to fit modern definitions. The Antikythera mechanism, dating between 150 and 100 BC, was an early analog computer.
Web 1.0 a term used from the mid-2000s onward to refer to the World Wide Web / Internet of the 1990s and early 2000s. At the time, it was referred to simply as "the web" or (less accurately) "the internet" or "the net". Whole milk