1. Traditional Computer System :
Traditional Computer System takes the input from the user and computes the output as the function of the input. It basically computes function on the input.
Output data = f(input data)
Example:
If x is input and f is some function, y(output) = f(x)
2. Reactive Computer System :
Reactive Computer System takes the input from the user but does not produce the output as a function of input but it interacts with the environment. In this interaction, the results computed are used to perform some action on environment.
Example:
Real-time Systems
Difference between Traditional and Reactive System :
| TRADITIONAL SYSTEM | REACTIVE SYSTEM |
|---|---|
| Traditional system produces output as a function of input. | Reactive system does not produce output as a function of input. |
| It does not interact with environment. | It interacts with environment. |
| Computation in traditional system is terminating. | Computation is reactive system is non-terminating. |
| Only one input is taken at a time. | It may take several inputs at a time. |
| Results are not used to perform action on the environment. | Results are used to perform action on the environment. |
| It takes input as data. | It takes input as event. |
| Its structure is simple. | Its structure is complicated. |
| The example of traditional system is simple calculator software. | the example of reactive system is real-time systems. |
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