The last basic step involved in writing programs is to read data from and write data to a file.

编写程序的最后一个基本步骤就是从文件读取数据和把数据写入文件。

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A program can also read and write data into the user Spaces on the system.

也可以通过程序在系统的用户空间中读写数据。

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For example, data binding is most commonly used to read and write data to some storage medium.

比如，数据绑定常用于从存储介质读写数据。

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Spintronic PCs are at least a decade off, but the technology has been in use for several years in the magnetic heads that read and write data to hard drives.

FORBES: Magazine Article

One challenge would involve creating a magnetic head that could hover over those dots, read their signal and write new data onto the grid.

FORBES: Magazine Article

In some cases the drive will take two steps to write data rather than one and introduce a delay of about 5 milliseconds.

BBC: Hard drive evolution could hit Microsoft XP users