A) They are collections of data saved to a storage Medium
B) Every file has a filename
C) A file extension is established by the user to indicate the file's contents
D) All files contain data
E) None of these
Correct Answer: C
Solution :
A filename extension is a Suffix (separated from the base file ?name by a dot or space) to the Name of a computer file applied to indicate the encoding (file for-mat) of its contents or usage, eg. Bar.doc. htm. etc. .doc represents a document file format.
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