User’s case: “Hi! I have an issue that's just a little bit different from the responses here. As long as the old data is overwritten, it cannot be recovered. To completely erase disk, we should overwrite those zeros and ones with new data. on hard drive, rows of zeros and ones are recorded on platters. Our files are stored on the hard disks in the form of basic binary data.įor instance, when we save data such as photo, documents, etc. It is a process of overwriting the data on a storage device and the data cannot be recovered any more. Sometimes referred as data clearing, data destruction, data erasure. The deleted files can be easily recovered with recovery software before being overwritten or damaged. When you simply delete files with Shift + Delete or empty the Recycle Bin, the data will not be erased permanently, you just delete the reference of the data in the allocation table that you can’t find it. When writing or reading data, the magnetic property of platter surface can be changed to 1 and 0 by hard disks. Our files can be stored on the surface of magnetic and rotating platters in hard disk case. Hard drive is a kind of storage devices which is used to store digital data. If you are one of those people who are confused with the two, have a fresh look at the brief explanation bellow. Some people even consider both of them as one thing. Many users may have misunderstanding of data wiping and deleting. Difference Between Data Wiping and Deleting
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