Primary storage would be downloads and whatever goes directly to your Dropbox or something like that. Secondary storage would also be downloads, but it would be the things that go to your hard drive, and lastly, off-line storage is storage on things like Flash Drives or CD-ROMs.
A backup is a duplicate of the file, program or disk that you can use in case the original is lost, damaged or destroyed.
Answer:
mainframe and desktop computers
smartphones
embedded devices controlling robots
Secondary sources are defined as <u>a form of document that includes information from another source to analyze an issue. </u>
When a researcher or writer wishes to cite a secondary source, it means they are using information from a primary source that is presented in another document which has cited it, <em>instead</em> of directly referring to the primary source.
Thus, it can be said that the best answer for the question above is (D) primary sources only, since secondary sources use this when analyzing the problem presented in their document.
