试题与答案

The seven segment arrangement for numerica

题型:单项选择题

题目:

The seven segment arrangement for numerical(数字的) display on consoles, test meters and other applications can be either()

A.UJT or BJT

B.BCD or OCD

C.JFET or IGFET

D.LED or LCD

答案:

参考答案:D

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