Question

a program that deletes all the data from a computer​

Answer 1

Explanation:

For standard hard drives

To overcome this problem and securely remove a file or folder, you need the help of a third-party program. For Windows, the simple Eraser tool is one of the best choices, or you can try Recuva, which is billed as a file recovery program but also performs secure deletions

Answer 2

Answer:

Grab a program like Eraser for Windows or Permanent Eraser for Mac. Like Darik's Boot and Nuke, these write over your deleted information multiple times to make sure it's really gone. However, they stick to files you select. I recommend this method only if you're giving away your computer to someone you know