2Electronics a regularly oscillating signal used for timing the operations of a logical circuit; especially one used to initiate the various phases in the execution of instructions in a computer.
Origin
Mid 19th century.
Definition of clock signal in US English:
clock signal
noun
1A signal used to synchronize distant clocks.
2Electronics a regularly oscillating signal used for timing the operations of a logical circuit; especially one used to initiate the various phases in the execution of instructions in a computer.