Consider the following circuit with initial state $${Q_0} = {Q_1} = 0.$$ The $$D$$ Flip-Flops are positive edge triggered and have set up times $$20$$ nanosecond and hold times $$0.$$

Consider the following timing diagram of $$X$$ and $$C;$$ the clock period of $$C>40$$ nanosecond which one is the correct plot of $$Y?$$

Consider the circuit shown below. The output of a $$2:1$$ Mux is given by the function $$(ac+bc)$$

Which of the following is true?

The $$2's$$ complement representation of $${\left( { - 539} \right)_{10}}$$ in hexadecimal is

Given the following Karnaugh map, which one of the following represents the minimal Sum-Of-Products of the map?