1.8 Show each of the following calculations in 4-bit two's complement notation. In each case, convert the result (in binary) back to a decimal number. (a) -5 + 7 (b) - 3 + 3 (c) 6 - 4 (d) -2 - 3

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A:

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A: 1)(465)10-(325)10=?? 1)(-465)10=(325)10=?? 1)(465)10+(325)10=?? 1)(-465)10-(-325)10=??

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A: Here we have given solution for the above asked two questions. You can find the solution in step 2.

Q: ) -30.5 b) 16.25

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A: a)   b) and c)

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A: The answer for the above mentioned question is given in the below steps for your reference.

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Q: complement

A: binary values are in 8 bit two's complement form.

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A: a    111111 +  001011 = 110100      this is negative number since sign bit is 1 Since this is 2's…