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日光灯镇流器的作用有那些？

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Maryisready to takethe quiz.

A. 对
B. 错

Bitsare the smallest unit of information on a computer.

A. 对
B. 错

How Does a Computer WorkInstructor: Okay, Mary. Are you ready to takethe quiz?Student: I think so. I’ve been studying.Instructor: Don’t forget to answer in as much detailas possible.Student: I’ll remember.Instructor: All right. Tell me what you know about（1）.Student: Those are the computer’s language. Weinput instructions to the computer in order to controlits（2）.Instructor: Good. Next question. Why is the stored（3）concept important?Student: It’s the idea that instructions can be storedin the computer’s memory.Instructor: Why is that necessary?Student: It makes （4）processing faster, right?Instructor: Correct. And how does the machineretrieve data from the memory?Student: Let’s see. That requires a data transferinstruction. Then data moves long-term （5）tothe registers.Instructor: One more question. Explain what rolebits play in processing data.Student: Let me make sure I’ve got this right. Bitsare the smallest unit of information on a computer.Registers are made up of bits.Instructor: Very good.

“工欲善其事，必先利其器”出自（）。

A. 《孟子》
B. 《论语》
C. 《左传》
D. 《老子》