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Analog Computer: Definition, Examples, Types, Characteristics, and Advantages!!

Here, we will spread light on Analog Computers, types, uses, applications, Characteristics, features, advantages, disadvantages, working and Analog Computer Vs Digital Computer!!

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Analog Computer: Definition, Examples, Types, Characteristics, and Advantages!!

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  1. AnalogComputer Analog computer is special type of computer, where to use data in continuously form, not discrete, and changeable continues stream of data is known as “Analog Data”. Analog computers can store analog data in the continuous physical quantities likes as electrical potential, fluid pressure, or mechanical motion, and finally it produces the result with using of measures.

  2. Types of Analog Computers Slide Rules Slide Rule is very simplest types of analog computer, and this computer helps to produce approximate result for simple mathematical operations. All users slide the hashed rod to line up along with several marking in the other rod, and it help to read this equipment depend on line up of different kinds of hash marks. Differential Analysers Differential Analysers computers were designed to solve for all differential equations. These computers had large size to modern computers, because today those computers fill space like as PC. Castle Clock Castle Clock has better representation of several uses to mechanical analog computers. Castle Clock analog Computer was developed by Al-Jarazi. This computer was able to store different programming commands. Castle Clock computer’s height was 11 foot, and it takes round of moon and sun. The computational part of this computer permitted users to set veriable length of the day depends on the running season.

  3. Types of Analog Computers Mechanical Analog Computers Mechanical analog computer is designed along with different components such as gears and lever, in which not use electronic parts. It produces output while turning of gears, and it can perform multiplication and division operations. Examples are – Cosmic Engine, Pascaline, Stepped Reckoner etc. Pneumatic Analog Computer These computers use the compressed air in the form of power source that is very simple and inherently analog, and these computers mostly used in the nonresidential building areas. Hydraulic Analog Computer First, hydraulic analog computer was developed by MihailoPetrovic Alas in 1868-1943. Firstly, main objective of designing of this computer is to solve the differential equations.

  4. Analog Computer Function Analog computer works on the supply of: regularly flowing of electrical pulses, and show output continuously. For example – Side rule and speedometer of an automobile, they are displaying their results in real-time. But this device has less memory unit, so they are only capable to perform few types of calculations. Analog computer is different to hybrid computer, but it also is very useful machine to solve the differential equations. The accuracy of result those machines are low but they are faster in speed to digital computers, and they are capable to compute all instructions in parallel form.

  5. Components of Analog Computer • Precision resistors and capacitors • Operational amplifiers • Multipliers • Potentiometers • Fixed-function generators

  6. Examples of Analog Computer Telephone lines Resistance of Capacitor Frequency of Signal and Voltage Astrolabe Oscilloscope Television Analog Sound Processor Toilet Flush Mechanism Delter Kerisson predictor Operational Amplifiers • Hybrid Controller • Simulation of a Spaceship • Mass-Spring-Damper System • Simulation of Car-Suspendion System • Simulation of a Moon-Landing • Squash Simulation • Longitudinal Aircraft Simulation • Lorenz Attractor • JoukowskiAirfoil • Rendezvous Simulation

  7. Characteristics of Analog Computer • Real time operations- several signal values can be manipulated concurrently. • No need the transducers to transform input/output to digital electronic form. • Programmers can analysis the problems in real-time and fix them. • Less consumption of bandwidth. • It has more speed to produce result. • More accurately • All data is represented in continuously flow along with large range of machine.

  8. Disadvantages of Analog Computer • Computations operations have various limitations to dynamic range like as not more about 125 dB. • The size of generated results can be taken inordinate amount of setup time frame. • More power consumption. • Its result is displayed only in real time, so less probability to store its result for future uses. • All elements of problems work on the large different time scales, so it’s difficult to deal along with accurately values. • Signal conversion’s rate is higher, which are displayed inside.

  9. Analog Computer Vs Digital Computer AnalogComputer Digital Computer It transform all data into binary form (0 and 1), and then it executes all operations on them. Its signal’s type is sequence of voltage pulses. Its transmission is done with content of signal. It contains memory unit for storing result. Having input/output devices • Its measurement unit is physical values like as temperature and pressure. • Its signal’s type is electromagnetic wave. • Transmission of analog signal works as without its content. • It does not contain its memory unit and computing terminals. • No having input/output devices

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