定义状态机当前状态为state ,次态为next _state; 输入a,输出b, 则下列为Mealy状态机的写法是： A: always@（posedge clk）case (state )0:next_state<=1;1:next_state<=x; B: always@（posedge clk）case (state )0: if（a==0）next_state<=1; else next_state<=x;1:next_state<=x; C: always@（posedge clk）case (state )0: if（state==0）next_state<=1; else next_state<=x;1:next_state<=x; D: 以上都是正确的

关于上面的display 信息描述正确的是（） [R1]display interface g0/0/0 GigabitEthernet0/0/0 current state:Administratively DOWN Line protocol current state:DOWN

[R1] display interface g0/0/0 GigabitEthernetO/O/O current state: Administratively DOWN Line protocol current state: DOWN 关于上面的display信息描述正确的是（）。

以下说法错误的是void main(){ state=1; while(1) { switch(state) { case 0x01:setup();break; case 0x02:run();break; } }}void setup(){ Buzzer=1;Led=1;while(1) { if(Key==0){state=0x02;goto exit;} }exit:return;}void run(){ Buzzer=0;Led=0; while(1) { if(Key==0){state=0x01;goto exit;} } exit:return;} A: 共有两个状态 B: Buzzer=1;Led=1;实现声光报警 C: Buzzer=1;Led=1;全停 D: if(Key==0){state=0x01;goto exit;} 按下按键，转到第一个状态

下列标识符中， 是不合法的标识符。 A: State_0 B: 7abcd C: Not_Ack_0 D: &write

下列标识符中， 是不合法的标识符。 A: State_0 B: 7abcd C: Not_Ack_0 D: &amp;write

6. contact A: the state of talking or speaking B: the state of acting C: the state of communicating or meeting D: the state of laughing

Why does the existence of intermediate state in the 4-level laser can promote the production of laser beam? A: reach population inversion between ground state and metastable state B: reach population inversion between ground state and intermediate state C: reach population inversion between ground state and pumped state D: reach population inversion between intermediate state and metastable state

When the initial state and the final state are fixed, "the sum of work and heat" is the state function.

In America’s house of representatives, each state has at least representatives. A: 0 B: 1 C: 2 D: 3