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【单选题】
在完全竞争市场上,超额利润存在的条件是市场价格高于企业的( )
A.
平均可变成本
B.
平均固定成本
C.
平均成本
D.
固定成本
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举一反三
【单选题】The system bus of a computer is a common channel for transmitting information among its components. It can be divided into________.
A.
Data Bus and Control Bus
B.
Address Bus and Data Bus
C.
Data Bus, Control Bus and Address Bus
D.
Address Bus and Control Bus
【判断题】所有者向企业投入的资本,在一般情况下不需要偿还并可以长期周转使用。
A.
正确
B.
错误
【判断题】System bus can connects the CPU to memory on the system board.
A.
正确
B.
错误
【判断题】所有者向企业投入的资本,在一般情况下不需要偿还并可以长期周转使用。( )
A.
正确
B.
错误
【单选题】● (73) manages the other components of a computer system. (73)
A.
Bus
B.
Application system
C.
Operating system
D.
Disk
【判断题】实收资本是指投资者作为资本投入到企业中的各种资产的价值,所有者向企业投入的资本,在一般情况下不需要偿还,可以长期使用。
A.
正确
B.
错误
【单选题】According to the type of information transmitted by the bus, the bus can be divided into .
A.
data bus and control bus
B.
address bus and data bus
C.
data bus, address bus and control bus
D.
address bus and control bus
【多选题】Physically, a bus is a set of wires.The system bus is divided into three logical function:
A.
address bus
B.
data bus
C.
control bus
D.
logical bus
【判断题】所有者向企业投入的资本,在一般情况下不需偿还并可长期周转使用。( )
A.
正确
B.
错误
【单选题】What kind of bus is usually called a communication bus in a computer system ()
A.
On-chip bus
B.
System bus
C.
Local bus
D.
External bus
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