Conversion

• For an n-bit word, suppose that dn-1 is the sign bit.

  • Then the decimal value is:
    • (-dn-1)* (2n-1) + the usual conversion of the remainder of the word.
  • Eg, n=3, then
    • 101 = (-1 * 4) + 0 + 1 = -4 + 1 = -3
    • 011 = (0 * 4) + 2 + 1 = 0 + 3 = 3

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