Verilog, Icarus Verilog, Ubuntu, Gtkwave, Multiplexer.
a result, the output y also becomes 1 because the select pin is set to 0, meaning it selects input a. At 10ns: The select pin is set to 1, causing the multiplexer to switch its selection to input b. Consequently, y drops to 0 because it now reflects the value of b. At 15ns: Input b becomes 1,