Phil decides to sell his personal computer to buy a new laptop, so he deletes all the data on his hard drive. To ensure that the data on his hard drive cannot be recovered using any special software, he _____ the hard drive-overwrites the hard drive several times using a disk erasing software-before the selling the system.

A. ?wipes
B. ?encrypts
C. ?backs up
D. ?synchronizes


Answer: A

Computer Science & Information Technology

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