Computer software, also known as a software program, is a set of instructions and associated documentation that tells a computer what to do or how to perform a task. Everything a computer does is done by using a computer program, from its basic operating system to any one of a myriad number of applications designed to accomplish a specific undertaking.
For example, this article was created using a word processing software program called Microsoft Word that was loaded onto a personal computer running the operating software program, Microsoft Vista. It was originally stored on a program called Trello, which is a collaboration program that organizes projects, and then it was uploaded to WordPress, which is an online, website creation tool. The finished article can then be accessed by a reader using a web browsing program such as Mozilla Firefox or Apple Safari that is used to view web pages on the internet.
Software development is the process of writing and maintaining the source code that underlies all operating systems and applications. It includes all that is involved between the conception of the desired software through to the final manifestation of the pr