Do the following exercises from the text: 3.12, 6.1 a, d, f, 6.2 a, c, 6.8 a and b, unsigned, 1's and 2's complement only. For each addition show the sign-magnitude decimal value of the operands and result.

What is the decimal value of the 4-bit binary word 1110 if it represents an
a) unsigned integer,
b) 1's complement integer,
c) 2's complement integer,
d) sign-magnitude integer.
2. Repeat problem 1 above assuming the binary point is in the middle of the word.