Answer: A file is the common storage unit in a computer, and all programs and data are "written" into a file and "read" from a file. A folder holds one or more files, and a folder can be empty until it is filled. A folder can also contain other folders, and there can be many levels of folders within folders.
Explanation:
I believe this should have some multiple choice options: Application, System, Volume, Security.
The correct answer is volume.
What do you mean? I’m confused with the question, it doesn’t make sense:)
Two of the three tables in his database should have foreign keys that link to primary keys in one of the other tables. That way he can join the tables together.
The first one
“hello” + “goodbye”
