well sd cards hold about the same and are a fair bit smaller
There are two types of storage devices used with computers: a primary storage device, such as RAM, and a secondary storage device, like a hard drive. Secondary storage can be removable, internal, or external storage.
Hard drive
Floppy disc drive.
hard drive
A computer's hard drive is an example of a storage device. Data can be saved (stored) on the hard drive.
No. It would be more accurately referred to as a storage device.
Hard disk drive.
it is the primary storage unit of a computer
Yes, a hard drive is a storage device.
It is a mass storage device. They are generally referred to by a letter, such as 'C Drive'.
That is the expected behavior. Most storage devices on a computer are disks, therefore it will refer to any storage device as a "disk", even if it has no moving parts.
Universal storage device (USB) and hard disk drive