(DC4) The mnemonic for ASCII character 20, one
of the four Device Control characters.
Last updated: 1996-06-28
Device Control 3 ♦ Device Control 4 ♦ device driver ♦ device independent bitmap
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Updated: Tue, 16 Oct 2018 22:24:25 GMT
Imperial College Department of Computing
Copyright Denis Howe 1985