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  1. Decimal Two's Complement
    Convert the following decimal numbers to 8-bit two's complement.
    1. 123
    2. -18
    3. -1
    4. 99
    5. -128
  2. Two's Complement Decimal
    1. 11111010
    2. 01111110
    3. 11011010
    4. 10000011
    5. 00000011
  3. Addition
    Perform the following calculations with 8 bit two's complement binary numbers. Convert the result back to decimal to see if your calculation was correct.
    1. 27 - 6
    2. 127 - 128
    3. 32 - 100
    4. 61 - 61
    5. -99 + 12