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【多选题】
串行口工作方式1的波特率是( )A.
固定的,为fosc/12
B.
固定的,为fosc/32
C.
可变的,取决于TI的溢出率
D.
固定的,为fosc/64
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举一反三
【多选题】Which of the following voltages can be measured from a Molex connector on the power supply?（）
A.
1.5 volts
B.
3 volts
C.
5 volts
D.
12 volts
E.
115 volts
【简答题】The memory in PLC can keep the program when there is no electricity power supply.
【单选题】Which of the following can occur if the maximum rated load is exceeded on an uninterruptible power supply (UPS)?（）
A.
There is a fire hazard potential if a power outage occurs.
B.
The last system plugged into the UPS will not be provided any power.
C.
The UPS will draw more power from the circuit to compensate.
D.
The runtime of the UPS will be insufficient if a power outage occurs.
【单选题】For products where the firm has market power, coordination in the supply chain can be achieved and supply chain profits maximized through the use of
A.
two-part tariffs or volume based quantity discounts.
B.
marginal unit quantity discounts.
C.
all unit quantity discounts.
D.
basic quantity discounts.
【单选题】In addition, the DS18B20 can derive power directly from the ______ line (“parasite power”), eliminating the need for an external power supply.
A.
control
B.
address
C.
data
【简答题】奔驰汽车公司创立于(__)年,是世界十大汽车公司之一,创始人是(__)和(__)。
【简答题】The power supply can convert ______________ or ______________ energy into _____________ energy.
【单选题】The output voltage of the Power Supply can be continuously adjusted over the range of ( ).
A.
Less than 2 mV pp
B.
100-240V AC
C.
0-24V DC
D.
0-10A DC
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