Final answer:
When a 1-bit control is asserted in a 2-way multiplexer, it selects the input that corresponds to the value of the control bit; 0 for the first input and 1 for the second.
Step-by-step explanation:
When a 1-bit control to a 2-way multiplexer is asserted, the multiplexer selects the input corresponding to the value of the 1-bit control signal. Specifically, if the control bit is set to 0, the multiplexer passes the data from the first input, labeled as input 0.
If the control bit is set to 1, it switches to pass the data from the second input, labeled as input 1. Therefore, the control bit directly corresponds to the selection of the multiplexer's inputs.