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Non Return to Zero Inverted

<storage> (NRZI) A recording method used for 9-track magnetic tapes (200 and 800 BPI) where a zero is represented by a change in the signal and a one by no change.

NRZI is also used extensively in SDLC communications. VTAM has a parameter NRZI=YES|NO.

Compare Phase Encoded, GCR.

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Non-Maskable Interrupt non-optimal solution Nonpareil non parity non-polynomial	magnetic tape NRZI	nontrivial Non-Uniform Memory Access non-uniform quantising logarithmic compression Non-Uniform Rational B Spline non-volatile