controls the operation of the computer and performs its data processing functions．

A．CPU

B．Disk

C．Memory

D．I/O

[单选题]controls the operation of the computer and performs it's data processing functions.A．CPUB．Hard diskC．MemoryD．Database system

[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]A governor automatically controls engine speed by regulating （）.A . fuel supplyB . firing orderC . engine loadD . oil level

[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