The Computer Itself. Parts you can Touch.
What is Hardware?
What are the main parts?
The first part is the 'outside' parts, such as the Monitor, Mouse, Keyboard, Computer House and other similar.
What are the other parts?
The second part is the parts that you can still touch but are inside the PC, such as the Graphics Card, Hard Disk, CPU, Fan, Motherboard, Sound Card and lots of other stuff.