Question: timescale 1 ns / 1 ps module testbench; // Generate a free running 100 MHz clock // signal to mimic what is on the board.

 timescale 1 ns / 1 ps module testbench; // Generate a

free running 100 MHz clock // signal to mimic what is on

the board. reg clk; always begin clk = l'b0; #5; clk =

timescale 1 ns / 1 ps module testbench; // Generate a free running 100 MHz clock // signal to mimic what is on the board. reg clk; always begin clk = l'b0; #5; clk = l'bl; #5; end // In this block, include a mechanism // to exercise the design and finally 1/ stop the simulation. reg [3:0] note; reg hush; integer loopvar; initial begin $display("If simulation ends before the testbench"); $display("completes, use the menu option to run all."); note = 4'ho; hush = l'bl; #100; $display("Beginning note loop."); // Loop through all 16 possible notes // and also exercise the hush signal. for (loopvar = 0; loopvar

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