Your Friends Know That You Understand a Lot About Computers

Your friends know that you understand a lot about computers, both the technical details of how they operate as well as information about software.Lately, with all of the concerns about copyright infringement, friends have started to ask you about categories of application software and what each kind permits.DeRobb is looking for a spreadsheet program that is available at no cost, but that also puts no restrictions on his use of it.If he wants to share it with a friend, or make copies of it and distribute it, he wants to be able to do so.What kind of software do you tell him he should be looking at?

A) public-domain
B) freeware
C) custom
D) shareware