A code used to signify a "null" in papertape. It is often used to delete erroneously punched codes, as it consists of six or eight levels of bits (whichever is the maximum the tape carries), and will override any other combination of bits.
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A code used to signify a "null" in papertape. It is often used to delete erroneously punched codes, as it consists of six or eight levels of bits (whichever is the maximum the tape carries), and will override any other combination of bits.