Opening the paper…
The primary purpose of Hardware Description Languages (HDLs) is to model software behavior within hardware.
The primary purpose of Hardware Description Languages (HDLs) is to model software behavior within hardware. A positive-edge-triggered D flip-flop updates its output (Q) based on the D input only when the clock signal transitions from high to low. The **initial** block in verilog will executes once at time t=0, and **\$finish** stops the simulation completely.