Analog and Digital Computers
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Analog and Digital Computers

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Analog and Digital Computers Analog and Digital Computers Presentation Transcript

  • Difference between Analog and Digital Computers [Project in TLE3] Submitted by: Sheila Mae Basbas Amiel Seth Dexter Sacdalan
  • T here are two distinct families of computing device available to us today, the all pervasive digital computer and almost forgotten analog computer . These two types of computer operate on quite different principles .
  • What is an Analog Computer?
    • - a form of computer that uses the continuously-changeable aspects of physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved.
    • - In operation, analog computers contain a mathematical model of the problem.
  • Example of an Analog Computer Educational Analog Computer, introduced in 1960 by Heathkit.
  • What is a Digital Computer?
    • A 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.
  • Example of a Digital Computer
    • Mainframe Digital Computer
  • What is the difference between Analog Computer and Digital Computer?
    • the digital computer represents data internally using a quite verbose but very robust form of representation called binary. Thus a single transistor in a digital computer can only store two states. Obviously to store a number to any sensible degree of precision, many transistors are required.
    • a n analog computer operates in
    • a completely opposite way to the digital computer. For a start, all operations in an analog computer are performed in parallel. Secondly, data are represented as voltages, a very compact but not necessarily robust form of storage. A single capacitor (equivalent to the digital computer’s use of a transistor) can represent one continuous variable.
  • Resources:
    • http://www.google.com.ph/
    • http://www.cds.caltech.edu/~hsauro/Analog.htm
    • http://pespmc1.vub.ac.be/ASC/DIGITA_COMPU.html
    • Submitted to:
    • Mr. Jenelou John Israel
  • The End Thank you!