Computer Software
In general, there are two types of computer software: system software and application software.
System software or operating system is a set of instructions used to control the computer hardware. The most popular computer operating system is Microsoft Windows, Apple Mac OS X and Linux.
Application software is a type of software running on the operating system and used to run a variety of everyday things. There are many different applications software, including:
educational software
business software
modeling software
game software
medical software
database software
word processing software
image processing software
Some software company are Microsoft, Adobe Systems, Corel and Symantec.
The leading non-profit software organizations are Free Software Foundation, GNU Project and the Mozilla Foundation.
