Sara beth and taylor have developed a new software that they plan to distribute for free, allowing other software professionals to study, change, and improved it. their software is an example of one: a. an appb. an operating systemc. a simulation systemd. open source software

open source software

Explanation:

An open source software is any software that is released under an open source license, meaning that anybody can access its source code, see how it was made, and as the question says, "sutdy, change and improve it".

This is opposite to proprietary or closed source software where you can have a license to use the software but you can't see or change it's "building blocks" (i.e. code)

add the following answer

answerhard disks;