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( )
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( )
【单选题】量子信道光量子的信息效率极限为 A: 73.4bit/光子 B: 99.4bit/光子 C: 80.7bit/光子 D: 108.3bit/光子
【单选题】量子信道光量子的信息效率极限为 A: 73.4bit/光子 B: 99.4bit/光子 C: 80.7bit/光子 D: 108.3bit/光子
常规BIT技术可以分为BIT技术、BIT技术和BIT技术
常规BIT技术可以分为BIT技术、BIT技术和BIT技术
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
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
LDN bit 表示 指令,ON bit 表示 指令,= bit 表示 指令 。
LDN bit 表示 指令,ON bit 表示 指令,= bit 表示 指令 。
IPv6地址的长度是() A: A.32 bit B: B.48 bit C: C.64 bit D: D.128 bit
IPv6地址的长度是() A: A.32 bit B: B.48 bit C: C.64 bit D: D.128 bit
ATM信元的长度是( )。 A: 48 bit B: 53 bit C: 32 bit D: 64 bit
ATM信元的长度是( )。 A: 48 bit B: 53 bit C: 32 bit D: 64 bit
【单选题】8MB 等于() bit 。 A. 8*1024*1024*8 bit B. 8*1024*8 bit C. 8*1024*1024 bit D. 8*1024 bit
【单选题】8MB 等于() bit 。 A. 8*1024*1024*8 bit B. 8*1024*8 bit C. 8*1024*1024 bit D. 8*1024 bit
IEE802.3标准以太网的物理地址长度为( )。 A: 8 bit B: 32 bit C: 48 bit D: 64 bit
IEE802.3标准以太网的物理地址长度为( )。 A: 8 bit B: 32 bit C: 48 bit D: 64 bit
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
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