Subtracter (electronics)

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In electronics, a subtracter can be designed using the same approach as that of an adder. The binary subtraction process is summarized below. Again, in general, three bits are involved at each bit: minuend (X_i), and subtrahend (Y_i), and a borrow in from the previous bit (less significant) order position (B_i). The output is the difference bit (D_i) and borrow bit B_{i + 1}.

K-map B_i(1,2,3,7)

[edit] See also

• Adder (electronics)
• Carry look-ahead adder
• Carry save adder
• Adding machine
• Adder-subtracter

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Categories: Computer arithmetic | Adders

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• This page was last modified 15:11, 14 February 2007 by Wikipedia user Cburnett. Based on work by Wikipedia user(s) Chobot, Salsia and Hemanth.hm and Anonymous user(s) of Wikipedia.
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