【判断题】【消耗次数:1】
逻辑堆栈操作指令的指令助记符只有是MPS、MPP。
正确
错误
参考答案:
复制
纠错
相关题目
【单选题】 访问程序存储器,指令操作码的助记符是( )。
①  MOVC
②  MOV
③  MOVX
④  XCH
【单选题】 梯形图程序指令由助记符和操作数组成。
①  正确
②  错误
【简答题】 实现无符号数乘2的指令的助记符是[填空1],实现有符号数除2的指令的助记符是[填空2]。
【单选题】 基本指令一般由指令助记符和操作数两部分组成。
①  正确
②  错误
【单选题】 脉冲执行型应用指令采用助记符后加____表示。
①  D
②  F
③  S
④  P
【单选题】 在堆栈操作指令中____是读栈指令。
①  MPS
②  MPP
③  MRD
④  MSP
【简答题】 将I/O设备端口内容读入AL中的指令助记符是[填空1]。
【判断题】 FX2N系列PLC的功能指令由功能号、助记符和操作数三部分组成。
①  正确
②  错误
【判断题】 CLR不是逻辑操作指令。
①  正确
②  错误
【判断题】 ANL、ORL、XRL、RL、RLC都是逻辑操作指令。
①  正确
②  错误
随机题目
【单选题】 It looks[填空] he knew a lot about it.
①  as
②  if
③  as if
④  wether
【单选题】 The sun [填空]from behind the clouds.
①  raised
②  see
③  emerged
④  raising
【单选题】 This path is only for [填空].
①  pedestrian
②  pedestrians
③  pedestrans
④  pedestrins
【单选题】 The[填空] for this is that this plane is also a bicycle.
①  reason
②  because
③  why
④  so
【单选题】 The boat pulled [填空]alongside the ship.
①  down
②  out
③  in
④  up
【单选题】 It was I [填空] met Li Ming at the railway station yesterday.
①  what
②  which
③  when
④  that
【单选题】 Not until the rain stopped [填空]the room.
①  did he leave
②  he left
③  left he
④  did leave he
【单选题】 I’d rather you [填空] the book yesterday.
①  had returned
②  return
③  would had returned
④  returned
【单选题】 It is surprising that she [填空]the math exam.
①  should pass
②  passing
③  passed
④  passes
【单选题】 He’s [填空]singing.
①  fed up
②  tire
③  tired
④  tired of