five features of Analog computer
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An essential feature of analog computers is that the quantities that represent digital data change consistently over time.
Consequently, analog computers differ from common digital computers, which operate only with numbers, or quantities.
Analog computers are mostly mechanical or electrical machines that can perform tasks like addition, multiplication, subtraction, and division.
The output of analog devices can be expressed in the form of graphs drawn on the screen of an oscilloscope or on paper, or an electrical signal used to control the operation of a mechanism.
The analog machines are designed for specific purposes.
These are generally used to monitor real-world conditions like Wind, Sound, Movement, Temperature, etc.
In addition to technical applications (like automatic transmissions and musical synthesizers), analog computers are also used to solve specific computational problems of a practical nature.