In an outline, all paragraphs are preceded by an outline symbol

ExpressCard /34 can be used in an ExpressCard /54 slot

Indicate whether the statement is true or false

Which if the following must be true about file compression in general?

a. All files can be compressed b. For any file, there must be some codes that are longer than others c. The code must be a prefix code d. all of the above e. none of (a), (b), and (c)