Hi everybody .. Could u help me in designin` a two 2-bit adder & a full subtractor ? best regards,,
R Thread Starter Ro3a Joined Nov 6, 2008 5 Jan 9, 2009 #1 Hi everybody .. Could u help me in designin` a two 2-bit adder & a full subtractor ? best regards,,
mik3 Joined Feb 4, 2008 4,843 Jan 9, 2009 #2 Have a look here: http://www.play-hookey.com/digital/adder.html http://www.play-hookey.com/digital/binary_subtraction.html
Have a look here: http://www.play-hookey.com/digital/adder.html http://www.play-hookey.com/digital/binary_subtraction.html
beenthere Joined Apr 20, 2004 15,819 Jan 9, 2009 #3 Work up a truth table and use that as a guide. Subtraction may be done by adding the compliments of the numbers.
Work up a truth table and use that as a guide. Subtraction may be done by adding the compliments of the numbers.
R Thread Starter Ro3a Joined Nov 6, 2008 5 Jan 9, 2009 #4 ok , how will the truth tabe look like ? PLZ Check if im going write or not p q x y z 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 1 0 0 1 1 1 0 0 0 1 0 0 0 1 0 0 1 0 1 0 1 1 0 1 1 0 1 0 1 0 1 1 1 1 1 0 and so on
ok , how will the truth tabe look like ? PLZ Check if im going write or not p q x y z 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 1 0 0 1 1 1 0 0 0 1 0 0 0 1 0 0 1 0 1 0 1 1 0 1 1 0 1 0 1 0 1 1 1 1 1 0 and so on
R Thread Starter Ro3a Joined Nov 6, 2008 5 Jan 9, 2009 #5 mik3 said: Have a look here: http://www.play-hookey.com/digital/adder.html http://www.play-hookey.com/digital/binary_subtraction.html Click to expand... thanx alot
mik3 said: Have a look here: http://www.play-hookey.com/digital/adder.html http://www.play-hookey.com/digital/binary_subtraction.html Click to expand... thanx alot
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