The counting mode is to count the external pulse of P0 port
举一反三
- The counting mode is to count the external pulse of P0 port A: 正确 B: 错误
- The timer T1 of 8051 single chip microcomputer is used as counting mode, and the counting pulse is. A: Input from T1 (p3.5) B: Provided by internal clock frequency C: Input from t0 (p3.4) D: Counting by external counting pulse
- The alarm management mode of DVR (non-manual alarm) includes ( ) A: External contact alarm mode B: External API alarm mode C: VMD alarm mode D: Timing alarm mode
- The CD40110 is currently in the subtraction count state, but the digital tube occasionally adds a few times. What is the most possible reason? A: The input pulse is connected to the CT B: The addition count pin is not connected to a fixed level C: The subtraction counting pin is not connected D: The voltage is unstable
- 华为交换机中把当前端口设置为access模式，正确的命令是（ ）。 A: [Huawei-Ethernet0/0/1]port mode access B: [Huawei-Ethernet0/0/1]port link-type access C: [Huawei-Ethernet0/0/1]switchport link-type access D: [Huawei-Ethernet0/0/1]switchport mode access