Computer Software/Software:
Software is a combination of the data and computer instructions that tell the computer how to work. It works in cycling structures including four levels
Hardware,
Operating System,
Application Software, and
User. In Software engineering, computer software is all information processed by computer system, programs, and data.
4th layer How to work:
Basically, User instracts with application software on a typical desktop computer & application software interfaces with the operating system, which communicates with the hardware.