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Streams Visit In C++

Using C++ you can access a device through an intermediate medium. The intermediate medium is called as stream. The device that you access is known as file.
 
Don’t mistake the term file as a normal computer file. A normal file (a text file or a word document) is referred to as disk file.
 
In this case file takes a broader meaning. It includes disk files, tape drives, the terminal, printers and so on. C++ is designed to work with these devices. To work with them you have streams. You can access devices using streams.
 
The point is: Each device is different. Each one is unique. The C++ file system transforms each device into a stream.
 
All streams will behave similarly though they provide access to different devices (or files). Hence streams are mostly device-independent. The function used to write to a disk file can be used to write to a printer as well. Hence all streams are similar but files are not.
 
Each stream is associated with a specific file by using the open operation. Once you open a file (not just disk file-could be a printer) information can be exchanged between the file and your c++ program. This exchange is done through streams.

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