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My computer sir is telling to perform functions of a binary file using class objects only. Will it have a impact on my marks if the same question is asked in exam

    • Posted by Kanishka Jha 4 years, 1 month ago

    CBSE > Class 12 > Computer Science
    • 1 answers

    Meghna Thapar 4 years, 1 month ago

    Accessing a binary file from a C++ program (by not using the old C functions) requires firstly attaching a stream variable to the file. The usual stream classes ofstream (output file stream) and ifstream (input file stream) are still the types of streams to use. A an additional type called an fstream is provided which allows for files that can be written to and read from if this is a desirable property (in the design of database type programs, this is often the case).

    Before any operation can take place on a file, it of course must be <i>opened</i>, and when you are finished with the file, it should be closed to avoid loss of data.

    Opening a Stream

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