Revision as of 15:38, 15 June 2010 by rosettacode>Paddy3118(moved Four bits adder to Four bit adder: The phrase is without the s. I'm in the chip design & verification field and use the phrase regularly. (Or just http://www.googlefight.com/index.php?lang=en_GB&word1=%22bits+adder%22&word2=%22bit+adder)