Using the sections in Chapter $4($as well as the attached article$)$ regarding software licensing, open source and closed source software, respond to each of the following items. You may also want to use the Internet to do some research in addition to the textbook and attached article.

Respond to each question by using the Text Box link or by attaching a document $($use the same text box$/$document for all questions $...$ this is one assignment$).$

$1.$ Describe what a software license is and why is it necessary for some software, but not required for other software.

$2.$ Summarize the basic difference between "horizontal$-$market applications" vs$.$ "vertical$-$market applications."

$3.$ How did open$-$source software become an option to computer users? Why is this category of software called "open source"?

$4.$ Distinguish between the terms source code, machine code, open source, and closed source.

$5.$ If all software was "free" and open source, what impact do you think this would have on the software industry and the economy in general?

$6.$ What argument$($s$)$ would you use to convince an organization to use open$-$source software over closed source software?

$7.$ What argument$($s$)$ would you use to convince an organization to use closed source software over open$-$source software?