问题 单项选择题

在计算机术语中()合称为中央处理器。

A.控制器和存储器

B.运算器和存储器

C.控制器和运算器

D.控制器和内部存储器

答案

参考答案:C

读图题

张骞出使西域壁图(敦煌壁画)

丝绸之路示意图

认真阅读后回答:

1、 西域在西汉时期指什么地方? 

                                                                                                                                                           

2、 张骞两次出使西域的时间分别是?    

                                                                                                                                                            

3、 “丝绸之路”的起点在哪里?到达了什么地方?

                                                                                                                                                            

4、 “丝绸之路”的开通有什么意义?

                                                                                                                                                            

                                                                                                                                                            

单项选择题