Answer
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- Different
computers use different ways of representing lines of text and line
breaks. In ASCII mode, the text is converted to a standard format, a
sequence of character octets with CRLF between the lines. The receiving
computer converts this to the format use at the receiving end.
- Different
computers store text in different byte sizes, this is in ASCII mode
converted to 8-bit bytes before transmission.
- In ASCII
mode, character set transformation may occur, if the sending and receiving
computers use incompatible character sets.
- In binary
mode, the binary data are mapped on a sequence of octets, which at the
receiving end is mapped back to the same binary data as before the transmission.
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