EntityQ7539183· pop 6· linked from 10 articlesslave clockSign in to savea clock that is dependent on another clock (master clock) for its timingConnectionsclock signalEntityUTCEntitydigital object identifierEntityInternational Standard Serial NumberEntityatomic clockEntitynanosecondEntityhead teacherEntityphase-locked loopEntitypneumatic tubeEntitychronometryEntitydigital clockEntityelectric clockEntityschool bellEntityGeneral Services AdministrationEntitycopyright status of works by the federal government of the United StatesEntitymaster clockEntityclock networkEntityCategoriesClocksDigital electronicsTelecommunications equipment