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1x1.gif (807 bytes) ARTCULTURE 1x1.gif (807 bytes)
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Это просто пример текста!

Each program we have seen so far has been a sequential, or single-threaded, one; that is, it has consisted of a series of steps that are executed in sequence, one after the other. In this chapter, we introduce the idea of a concurrent, or multithreaded, program, one in which several things can happen--or at least appear to happen--simultaneously.

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Concurrent actions are really part of most interesting programs. For example, a time-shared operating system must deal with a number of human users working simultaneously at their terminals. Further, many real-time applications, especially those controlling physical processes, are composed of concurrent program segments, each responsible for its own physical subsystem. Finally, the world is concurrent, filled with people doing different things all at the same time, and a program that would model that world is best seen as comprising concurrent program segments.

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List:

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An Ada task is an interesting structure. It has aspects of a package, of a procedure, and of a data structure, but is really none of these; it is something different altogether.

 

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