Talk:ALU adder
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If anyone is good with circuit-diagram software (such as Dia), these images could do with an update, especially so they can be PNG instead of JPG. The preformatted text should probably be converted to math markup, too. -- Wapcaplet 02:27, 19 Oct 2004 (UTC)
Merge with adder (electronics)
[edit]I think this page should be merged with adder (electronics), so I'm adding a merge template to the article. Ckape 03:50, 3 Jan 2005 (UTC)
Propogate carry
[edit]"To determine whether a bit pary will generate or propagate a carry, the following logic works:
G = A and B
P = A xor B"
Can someone check whether this is supposed to be "P = A xor B" or "P = A or B"?
- Actually, both of them are correct. In some cases it works out better to use the xor and in some cases it works better to use or. It's easier to make an or circuit than an xor circuit, but in some cases you want to ensure that you never have both P and G set. -- ckape (talk) 22:02, 26 Jan 2005 (UTC)