QCA clocks are areas of conductive material under the automaton 's lattice , modulating the electron tunneling barriers in the QCA cells above it .
The clocks of a QCA system serve two purposes : powering the automaton , and controlling data flow direction .
QCA clocks are areas of conductive material under the automaton 's lattice , modulating the electron tunneling barriers in the QCA cells above QCA .
The clocks of a QCA system serve two purposes : powering the automaton , and controlling data flow direction .