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ECEN 3733 - Digital Circuit Design Class Notes
Typology: Lecture notes
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By Dr. Frank X. Li
Arithmetical Algorithms Addition How about subtraction binary numbers
1’s Complement
00010010 represents 18 11101101 represents - 18 Notice: when add these representations as usual get 11111111, i.e. negative 00000000 or - 0 = 0.
Note: 0 not unique
Binary Subtraction, 2’s Complement Binary Code
ASCII Code