Computers for Beginner’s -Part 3

Functional Classification of computers

Computers are classified into 3 types depending on their functionality and data processing

  • Analog,
  • Digital, &
  • Hybrid Computers

Analog computers

Analog computer
Analog computer
Image source DaderotOwn work, CC0, Link

Analog computers handle or process information which is of physical nature or quantity Example temperature, Pressure  Telephone lines frequency, etc. Analog component often serves as a solver of differential equations and other mathematically complex equations. They are used in scientific and industry aircraft. The advantage of the analog computer is they are the fastest computer.

Digital computer

Replica of Zuse's Z3, the first fully automatic, digital (electromechanical) computer.
Replica of Zuse’s Z3, the first fully automatic, digital (electromechanical) computer.
Image By Venusianer, CC BY-SA 3.0, Link

Digital computer process information which is in a binary or two state form namely zero and one. The digital component normally serves as the controller and provides logical and numerical operations; the advantage of this computer is it can store a lot of data and its very accurate.

Digital is further classified into many types

  • Super computer
  • Main frame computers
  • Mini computers
  • Micro computers 

Hybrid Computer

Polish Hybrid computer WAT 1001
Polish Hybrid computer WAT 1001

Hybrid Computers are specified designed computers with both digital and analog characteristics and combining the advantages of analog and digital computers. Hybrid computers are very speed and they and they can solve the big equation and the result are displayed within a short time.

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