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  2. Readers–writer lock - Wikipedia

    en.wikipedia.org/wiki/Readers–writer_lock

    An RW lock allows concurrent access for read-only operations, whereas write operations require exclusive access. This means that multiple threads can read the data in parallel but an exclusive lock is needed for writing or modifying data. When a writer is writing the data, all other writers and readers will be blocked until the writer is ...

  3. Readers–writers problem - Wikipedia

    en.wikipedia.org/wiki/Readers–writers_problem

    Some threads may read and some may write, with the constraint that no thread may access the shared resource for either reading or writing while another thread is in the act of writing to it. (In particular, we want to prevent more than one thread modifying the shared resource simultaneously and allow for two or more readers to access the shared ...

  4. Create, read, update and delete - Wikipedia

    en.wikipedia.org/wiki/Create,_read,_update_and...

    In computer programming, create, read, update, and delete (CRUD) are the four basic operations (actions) of persistent storage. [1] CRUD is also sometimes used to describe user interface conventions that facilitate viewing, searching, and changing information using computer-based forms and reports .

  5. Data segment - Wikipedia

    en.wikipedia.org/wiki/Data_segment

    A computer program memory can be largely categorized into two sections: read-only and read/write. This distinction grew from early systems holding their main program in read-only memory such as Mask ROM, EPROM, PROM or EEPROM. As systems became more complex and programs were loaded from other media into RAM instead of executing from ROM, the ...

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  7. Data file - Wikipedia

    en.wikipedia.org/wiki/Data_file

    In a binary file, there is no delimiter for a line. Also no translations occur in binary files. As a result, binary files are faster and easier for a program to read and write than the text files. As long as the file doesn't need to be read or ported to a different type of system, binary files are the best way to store program information. [1]

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