Why it is necessary to use a latch with output devices?

Using a latch with output devices is necessary to maintain a stable output state when the controlling signal is not active. Latches can hold their output value even after the input signal changes, preventing unintended toggling of the output. This stability is crucial in applications where the output needs to remain constant until explicitly changed, ensuring reliability and accuracy in the operation of electronic systems. Additionally, latches help reduce power consumption by minimizing unnecessary changes in output states.