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【简答题】
Well,there are two ways of looking at risk.One way of looking at risk is to separate risks to an organisation between internal risks and external risks.Now,some examples of internal risks include wounds to employees within a factory or,alternatively,a fire in a warehouse,for example.Examples of external risks can include an earthquake or a tsunami affecting a site or,alternatively,a change in currency-rate mechanism. Now,I mentioned that there were two ways of looking at risk.The other way of looking at risk is to divide up risk into four categories – hazard,operating risks,financial risks and strategic risks.I will give you some examples of each of those four. Hazards can include natural events – storms,hurricanes,fires,floods and so on and so forth.Operational risks can include risks such as information technology,supply chain and employment risks.Financial risks include the non-availability of cheap credit or a lack of cash within an organisation. ____________ ____________ ____________ ______________ _______________ ____________ ____________
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A.
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能量
C.
D.
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saw/away
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【单选题】某机指令字长16位,每个操作数的地址码长6位,设操作码长度固定,指令分别为零地址、一地址和二地址三种格式,若零地址指令有P种,一地址指令有Q种,则二地址指令最多有_______种。若按变长度操作码考虑,则二地址指令最多允许有______种。
A.
16-2^(-6)*(P*2^(-6)+Q) ;15   (其中2^(-6)表示2的负6次方)
B.
16-P-Q;15
C.
16-2^(-6)*(P*2^(-6)+Q) ;16   (其中2^(-6)表示2的负6次方)
D.
16-P-Q;16
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