Keywords: Clock signal.png Clock signal + legend http //en wikipedia org/wiki/Image Clock_signal gif <br /> image Clock_signal gif on English Wikipedia that is marked as PUBLIC DOMAIN 2007-08-30 http //en wikipedia org/wiki/User Michagal http //en wikipedia org/wiki/User Michagal Check categories 2009 February 6 cs wikipedia Překmit_ elektronika Hlavní strana 2 Square waves English text Original upload log wikitable - - 2007-08-30 19 50 38 560 × 420 9242 bytes Kriplozoik <nowiki> Clock signal + legend image Clock_signal gif on English Wikipedia that is marked as PUBLIC DOMAIN 2007-08-30 </nowiki> |