A(n) ____________________ is an additional copy of a file or message that you store for safekeeping.
Fill in the blank(s) with the appropriate word(s).
backup
Computer Science & Information Technology
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The ________ abstract classes are Unicode character-based streams.
a. Reader and Writer b. BufferedReader and BufferedWriter c. CharArrayReader and CharArrayWriter d. UnicodeReader and UnicodeWriter
Computer Science & Information Technology
The X.25 standard uses which protocol at the Frame Level?
a. V.24 b. LAP-B c. X.3 d. none of the above
Computer Science & Information Technology