Data Processing Technique

  According to DPT computer can be classified into three categories 

1. Analog Computer
2.Digital Computer
3.Hybrid Computer

1. Analog Computer:


Analog computers were used to compute mathematical, physical and technical data. These computers recognize inputs in the form of signals and convert them into a numeric value.
For exp:- A thermometer measures the temperature of the body


2. Digital Computer:


A digital computer is an electronic computing machine that uses 0 and 1 (Binary numbers) to represent all forms of information in digital form. A typical digital computer system has four basic functional elements.

  • Input/output devices
  • Main memory
  • Control unit
  • CPU (ALU+CU)


3.Hybrid Computer:


Hybrid computers are computers that include features of analog computers and digital computers.

Eg:- Digital speedometer in motor vehicles 

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