Introducing computing and IT
Introducing computing and IT

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

Free course

Introducing computing and IT

5.6 Summary of Section 5

In this section you followed Gloria, a digital forensics expert, who has teamed up with Rupert, a private investigator. You learned about the structure of hard disk drives and how files are stored and retrieved from HDDs. You also learned that deleting data from an HDD can be undone. But then you were also introduced to various ways to permanently delete data from an HDD. The section ended with an explanation of HDD fragmentation.

In the next section, you will be introduced to solid-state drives, that is SSDs.

TM112_1

Take your learning further

Making the decision to study can be a big step, which is why you'll want a trusted University. The Open University has 50 years’ experience delivering flexible learning and 170,000 students are studying with us right now. Take a look at all Open University courses.

If you are new to University-level study, we offer two introductory routes to our qualifications. You could either choose to start with an Access module, or a module which allows you to count your previous learning towards an Open University qualification. Read our guide on Where to take your learning next for more information.

Not ready for formal University study? Then browse over 1000 free courses on OpenLearn and sign up to our newsletter to hear about new free courses as they are released.

Every year, thousands of students decide to study with The Open University. With over 120 qualifications, we’ve got the right course for you.

Request an Open University prospectus371