Complex sentence: Pull-up resistors are resistors connected between signal terminals and a power supply voltage in electronic logic circuits to ensure that inputs to logic systems settle at expected logic levels if external devices are disconnected or high-impedance is introduced.
Split into simpler sentences: Pull-up resistors are resistors connected between signal terminals and a power supply voltage in electronic logic circuits. They ensure that inputs to logic systems settle at expected logic levels if external devices are disconnected or high-impedance is introduced.