Technology reigns in this modern world and people are enjoying the technology has in store for us like computers, mobile phones, upgraded appliances, high technology gadgets and a lot more. These are the things that the technology is offering to people and enjoying the advantages of having it in our life. One of the famous and very useful gadgets that everybody is using is the computers. Yes, it is very much helpful to business establishments, schools, students, entrepreneur and ordinary people. This is because we can transact business through online, apply for a job online, work online and find information online by using the computers. And because technology is making the our life easy, they upgraded some of it to keep in pace. That is why some do buy upgraded one especially computers. Some owners do sell, discard, give or throw their old computers without cleaning the hard drive. The confidentiality of the files that are in-stored in the hard drive is important that is why before disposing the old computer owner should wipe computer hard drive first. This is the right thing to do to make sure all the files are wiped out before disposing it.