The general term used to describe all of the various programs that may be used on a computer system. It can be divided into four main categories: systems software, development software, user interface software, applications software.
(computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory
(computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory; "the market for software is expected to expand"