Complex sentence: The time when a signal arrives can vary due to many reasons-the input data may vary, the circuit may perform different operations, the temperature and voltage may change, and there are manufacturing differences in the exact construction of each part.
Split into simpler sentences: The time when a signal arrives can vary due to many reasons. The input data may vary, the circuit may perform different operations, the temperature and voltage may change, and there are manufacturing differences in the exact construction of each part.