abacus old-fashioned cash register (with gears and handle) gear-driven clocks/watches ---- Actually the above are examples of mechanical computers, not analog computers. Analog computers use continually variable quantities. An abacus uses discrete units of measurement and is digital, though not binary. A slide rule is an example of a simple mechanical analog computer. Another example is the Norden Bomb Sight. An ancient example is the astrolabe. More complex analog computers are programmable and can use fluid, mechanical, or electronically set values. There is a link below to an article on analog computers.
Included in this industry are digital computers, analog computers, and hybrid digital/analog computers.
No, most computers today are digital machines. Digital computers operate using discrete binary data, represented as 0s and 1s. Analog computers, on the other hand, manipulate continuous physical quantities such as voltage, current, or mechanical motion. While analog computers were used in the past, the vast majority of computers in use today are digital.
Victor Paschkis has written: 'Direct analog computers [by] Victor Paschkis [and] Frederick L. Ryder' -- subject(s): Engineering, Electronic data processing, Electronic analog computers, Electromechanical analogies 'Direct analog computers'
built with the same level of technology, analog computers are always faster but less accurate than digital computers. however as little significant work on analog computers has been done since the 1980s, they currently significantly lag behind digital computers in speed.
Hybrid computers are 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.
analog computers
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Examples of analog devices are:A televisionblendergeneratorelectric motor