Answered: Do the Symbian, Android, or iOS…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Do the Symbian, Android, or iOS platforms care about the file deletion mechanism?

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Step 1

Introduction:

The file-delete algorithm is a method that deletes files from a computer's hard drive permanently. It is a more secure approach to removing files than just dragging them to the Recycle Bin because the files can still be recovered. The file-delete algorithm writes a series of ones and zeros over the data saved in the file until the data is totally overwritten and hence unrecoverable. This operation is done at least three times to ensure that the data is totally wiped and the file cannot be restored.

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