Chapter 8.8, Problem 3SGDQ

Explanation of Solution

Normal deletion of file:

“No”, normal deletion of files can’t permanently remove the file from the memory of the device. Perceptible device represents a medium by which privacy can be disturbed.

• When the users delete a file on a computer then that file is not permanently erased, but in reality, the computer simply deletes the file on the hard drive but it actually remains.
• Deleting files and marking its space as available is an extremely fast operation.
• To improve the system performance and save time, the operating systems do not erase a file’s contents when it’s deleted.
• The deleted files are temporarily stored in the recycle bin or trash folder. If the user does not want that file, then he or she permanently clears the recycle bin or trash folder, but it actually stores it in a hard drive.

Recover the deleted file:

“Yes”, the files can be recovered after deleting them. There are three possible way to recover deleted files...