Hard Drive HDD/SSD
A hard drive is a storage device storing many different things for example videos, music, documents and core progams such as windows.The hard drive is stored in the inside of a computer.The hard drive on the inside is a disc with a rotating arm.The rotating arm reads the information and writes the data down.You would usually find the hard drive in a large computer.
The SSD stands for solid state drive and is like a hard drive but there are a large amount of differences beteween the two such as the SSD's is lighter, thinner, more expensive, faster ,easier to play games and does not have any moving parts inside.You will probably find an SSD in a laptop, smartphone and a tablet.
This is a picture of an SSD
This is a picture of an HDD
Thinnest computer yet
The mac book air is the thinnest computer ever and contains an SSD because the SSD is thinner