The best examples of software elements are programs while the hardware elements are things such as mouse, printers, keyboards and all the other physical elements.
Hard ware install process is quite a tricky affair since one has to place them in a manner that they must work. When choosing these hardware elements, go for the ones that are compatible with the computer.
For example, there are different kinds of printers but some only work well when connected some different brands of computers.
If you decide to install the hardware elements on your own, you must also know different portals from where they are connected to..