This is where all the data in your computer is stored. It is where all your files and folders are physically located. A typical hard drive is only slightly larger than your hand, yet it can hold over 30 GB of data.
a direct-access storage device (PC - Hard drive is drive c:/)
A magnetic disk which holds information. Usually measured in gigabytes. Several large disks can be combined to work together, and yield an effective hard drive measured in terabytes.