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How many half adder and or gates required for 4 bit adder.

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RE: How many half adder and or gates required for 4 bit adder.
by Megastar on Tue, Apr 14 2009 5:31 AM
Half adder
Half adder circuit diagram

A half adder is a logical circuit that performs an addition operation on two binary digits. The half adder produces a sum and a carry value which are both binary digits.

The drawback of this circuit is that in case of a multibit addition, it cannot include a carry.
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Megastar
Joined: Tue, Sep 16 2008
Posts: 54
How many half adder and or gates required for 4 bit adder.
by samitha on Tue, Apr 14 2009 5:25 AM
How many half adder and or gates required for 4 bit adder ?
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samitha
Joined: Mon, Sep 15 2008
Posts: 83
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