Using the cumulative cost curve in the special window, height B represents
A.actual cost to date
B.total budgeted costs for the project
C.planned cost for month
D.cost variance
E.earned value
第1题:
CNP支持的传播模型是:
A.SPM
B.Cost231-Hata
C.Cost-Hata
D.通用宏小区模型
第2题:
A.OE1不计算OSPF内部COST值
B.OE2不计算OSPF内部COST值
C.ON1不计算OSPF内部COST值
D.ON2计算OSPF内部COST值
第3题:
第4题:
● Embedded system is (66) special computer system which is scalable on both software and (67). It can satisfy the strict requirement of functionality, (68) , cost, volume, and power consumption of the particular application. With rapid development of (69) design and manufacture, CPUs became cheap. Lots of (70) electronics have mbedded CPU and thus became embedded systems. For example, PDAs, cellphones, point-of-sale devices, VCRs, industrial robot control, or even your toasters can be embedded system.
(66)A. cost-oriented B. application-oriented C. efficiency-oriented D. consumption-oriented (67)A. program B. application C. kernel D. hardware
(68)A. variability B. security C. reliability D. responsibility
(69)A. IC B. manual C. flexible D. emulational
(70)A. industrial B. military C. consumer D. special
第5题:
第6题:
以下关于VDB函数的语法正确的是()。
A.VDB(cost,salvage,life,period,factor)
B.VDB(cost,salvage,life,period,month)
C.VDB(cost,salvage,life,per)
D.VDB(cost,salvage,life,start-period,end-period,factor,no-switch)