What is "compression"?

What is "compression"?

Ian Urquhart (Lead Developer, E-Haus, LLC.) gives expert video advice on: What is a "mouse"?; What is "RAM" and how much do I need?; What is a "hard drive" and how do I know what size is best for me? and more...

Compression applied to files, just means that you're taking something that is bigger in size and scrunching it down so its smaller in size, so you use less storage space.