QUESTION 3 How many types of sequential circuits are? o a) 2 ob)3 O c) 4 od) 5 QUESTION 4 When both inputs of a j-K flip-flop are equal to 1, the next state will be O a) Be invalid o b) change O c) Not change od) Toggle QUESTION 5 Which of the following is correct for a gated D-type flip-flop? a) The Q output is either SET or RESET as soon as the D input goes HIGH or LOW ob) The output complement follows the input when enabled O c) Only one of the inputs can be HIGH at a time o d) The output toggles if one of the inputs is held HIGH