Which of the following is a user defined :primitive? Select one .a or .b and .c none of the options .d display$ .e not :Consider the following part of code Initial begin ;clock = 1'b0 (repeat (30 ;clock = -clock #1 end If each time step represents 1 ms, what is the :frequency of the clock ? Select one .a Hz 30 .b Hz 300 .c None of the given .d Hz 60 Hz 50 :Consider the following part of code Initial begin ;clock = 1'b0 (repeat (30 ;clock = -clock #1 end If each time step represents 1 ms, what is the :frequency of the clock ? Select one .a Hz 30 .b Hz 300 .c None of the given .d Hz 60 Hz 50