at this is either)
17 DC1 Device control #1(maybe they ran out of things to do?)
18 DC2 Device control #2
19 DC3 Device control #3
20 DC4 Device control #4
21 NAK Negative acknowledge (We heard you, b
7-bit code that
has a maximum of 128 characters/controls. ANSI is the Institute that defines American
Na... ize graphic character
representations and cursor control. It is based upon a 256 character set. It includes the
128 characters/controls of ASCII and an extra 128 characters/controls. It is sometimes
called "extended ASCII" or "high ASCII",