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What is an application?

藏色散人
藏色散人Original
2019-05-18 09:52:5850742browse

Application refers to a computer program developed and run on an operating system in order to complete one or several specific tasks.

What is an application?

# Applications and application software have different concepts, but they are often confused because of similar concepts. Software refers to a collection of programs and their associated documentation or other dependencies. Generally we regard programs as an integral part of software.

For example, common Word, Photoshop, etc., all belong to the category of application software rather than applications. Of course, in daily life it is not necessary to distinguish the two so strictly.

The exe mentioned above is just the extension of the executable file.

WINDOWS programming is a programming method that is completely different from the traditional DOS method. It is an event-driven programming model. There are many operable visual objects in the interface provided to the user by the program.

The user can choose arbitrarily from all possible operations. The selected operation will generate certain specific events. The result of these events is to send messages to certain objects in the program, and then these objects call the corresponding Message processing function to complete specific operations.

The biggest feature of WINDOWS applications is that the program does not have a fixed process, but only has specific sub-processes for the processing of a certain event. WINDOWS applications are composed of many such sub-processes.

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