Software is the opposite of hardware. It usually refers to data/programs that are installed on a computer. It is "soft" because it is simply electronic information that can be distributed over the Internet, instead of hardware, which is "hard," because it physically exists as wires, chips and so forth, and can be ordered over the Internet but needs to be delivered in the real world.
Software and Hardware are both needed to run a computer system.computer-related article is a stub. You can help Liberapedia by expanding it.