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The Deltar was an analog computer , was designed and built in order to make the complicated calculations required to predict the effects of dams , dikes , and storm surge barriers on the tides in the estuaries of the rivers Rhine , Meuse and Scheldt .
The Kerrison Predictor was one of the first fully-automated anti-aircraft fire-control systems . It was an electromechanical analog computer .
A tide-predicting machine was a special-purpose mechanical analog computer of the late 19th and early 20th centuries, constructed and set up to predict the ebb and flow of sea tides and the irregular variations in their heights – which change in mixtures of rhythms, that never repeat themselves exactly. Its purpose was to shorten the laborious and error-prone computations of tide-prediction.
The Water Integrator was an early analog computer built in the Soviet Union in 1936. It functioned by careful manipulation of water through a room full of interconnected pipes and pumps. The water level in various chambers represented stored numbers, and the rate of flow between them represented mathematical operations. This machine was capable of solving non-homogeneous differential equations .
The MONIAC (Monetary National Income Analogue Computer) also known as the Phillips Hydraulic Computer and the Financephalograph, The MONIAC was an analogue computer which used fluidic logic to model the workings of an economy.
The slide rule , also known colloquially as a slipstick , is a mechanical analog computer . The slide rule is used primarily for multiplication and division , and also for functions such as roots , logarithms and trigonometry , but is not normally used for addition or subtraction .
computer that stores data in terms of digits (numbers) and proceeds in discrete steps from one state to the next. The states of a digital computer typically involve binary digits which may take the form of the presence or absence of magnetic markers in a storage medium, on-off switches or relays. In digital computers, even letters, words and whole texts are represented digitally.
computers that exhibit features of analog computers and digital computers . The digital component normally serves as the controller and provides logical operations , while the analog component normally serves as a solver of differential equations .
HRS-100 , ХРС-100, GVS-100 or ГВС-100, was a third generation hybrid computer developed by Mihajlo Pupin Institute ( Serbia , then SFR Yugoslavia ) and engineers from USSR . HRS-100 was intended for scientific and technical research, modelling of complex dynamical systems in real and accelerated scale time and for efficient solving of wide array of scientific tasks.
An intensive care unit ( ICU ), critical care unit ( CCU ), intensive therapy unit or intensive treatment unit ( ITU ) is a specialized department used in many countries' hospitals that provides intensive care medicine .
Electrocardiography ( ECG, or EKG [from the German Elektrokardiogramm }) is a transthoracic interpretation of the electrical activity of the heart over time captured and externally recorded by skin electrodes. It is a noninvasive recording produced by an electrocardiographic device.