• 2022-07-24
    应答器报文长度()
    A: 1023bit
    B: 1025bit
    C: 1045bit
    D: 1075bit
  • A

    内容

    • 0

      写出下列的plc基本逻辑指令的含义:LD bit指令( );LDN bit( );A bit( ); AN bit( ); O bit( ) ; ON bit( ) ; = bit(      )

    • 1

      The transmission rate of the binary digital transmission system is 2400B,then the transmission bit rate is ____;if the system is hexadecimal, with the same symbol rate, the transmission bit rate is ____. A: 2400 bit/s, 2400 bit/s B: 2400 bit/s, 4800 bit/s C: 2400 bit/s, 9600 bit/s D: 4800 bit/s, 9600 bit/s

    • 2

      常规BIT技术可以分为BIT技术、BIT技术和BIT技术

    • 3

      Although he was not () tired, he didn’t care () A: a little; a little B: a bit; a bit C: a little; a bit D: a bit; a little

    • 4

      国际通用的ASCII码的码长是()。 A: 7 bit B: 8 bit C: 12 bit D: 16 bit