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 embedded 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.

A．cost-oriented

B．application-oriented

C．efficiency-oriented

D．consumption-oriented

电子卡尺的分辨率可达0.01mm，行程可达200mm，它的内部所采用的电容传感器型式是（）。

A.变极距式

B.变面积式

C.变介电常数式