Problem 3: (20 points) Consider the following sequential circuit. Assume that the four D-flip-flops are triggered by the same clock signal, the flip-flop propagation delay is 1 ns, the flip-flop setup cime is 2 ns, the input signal X has delay 2 ns, the OR gate has delay 3 ns, and the XOR gate has delay 4 ns.
5.下圖為MC型主機之邏輯程式控制流程圖,(a)圖中紅圈內控制元件(代號84)名稱並敘述其功用
(b)圖中紅圈內控制元件(代號100)之名稱並敘其功用
(C)圖中紅圈內控制元件(代號23)之名稱並敘述其功用?