A.CPU
B.Hard disk
C.Memory
D.Database system
[单选题]controls the operation of the computer and performs its data processing functions.A.CPUB.DiskC.MemoryD.I/O
[单选题] (71) controls the operation of the computer and performs it′s dataprocessing functions.(71)A. CPUB. DiskC. MemoryD. I/O
[单选题]Inside the computer, the operation system(of another software module called a data communication(71))must decide which program will get control next. Each program remember, is associated(72). a particular front -end port. If a program's data have no
[单选题]The ______ controls a pointer On the screen .When you move it,?the pointer moves too.A.menuB.iconC.mouseD.click
[单选题]The viscosity regulator controls the () of the fuel oil in order to provide the oil at the correct viscosity for combustion.A . temperatureB . pumping rateC . pressureD . heat
[单选题]The ______ controls the cursor or pointer on the screen and allows the user to access commands by pointing and clicking.A.graphicsB.printerC.programD.mouse
[单选题]The(67)controls the cursor or pointer on the screen and allows the user to access commands by pointing and clicking.A.graphicsB.printerC.programD.mouse
[单选题]The viscosity regulator controls the fuel oil temperature () provide oil at the correct viscosity for combustion.A . in order thatB . because ofC . in order toD . owing to
[单选题]The viscosity regulator controls () in order to provide oil at the correct viscosity for combustion.A . the engines speedB . the engines loadC . the fuel oil temperatureD . the fuel oil flow
[单选题]A governor automatically controls engine speed by regulating ().A . fuel supplyB . firing orderC . engine loadD . oil level