顺序控制编程的指令有( )。
A: A. LSCT S_bit
B: B. LSCR S_bit
C: C. SCRL S_bit
D: D. SCRT S_bit
A: A. LSCT S_bit
B: B. LSCR S_bit
C: C. SCRL S_bit
D: D. SCRT S_bit
举一反三
- 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
- 通常,信息的单位是( ) A: bit B: bit/s C: s D: bit/h•s
- 1Mbit/s=( ) A: 10^3 bit/s B: 2^20 bit/s C: 10^6 bit/s D: 2^10 kbit/s
- 串行通信波特率的单位是() A: bit/s B: bps C: s/bit D: s/b
- 某十六进制数字基带系统速率为2400 Baud,则该系统的比特速率为( )。 A: 2400 bit/s B: 4800 bit/s C: 9600 bit/s D: 38400 bit/s