推荐回答（2个）
我来试试部份作答:
2.操作系统的作用是（C.控制和管理系统资源的使用 ）。
3.个人计算机简称为PC机，这种计算机属于( A.微型计算机 )。
4.目前制造计算机所采用的电子器件是( C.中小规模集成电路 )。
5.一个完整的计算机系统通常包括( A.硬件系统和软件系统 )。
6.计算机软件是指( D.计算机程序及有关资料 )。
7.计算机的软件系统一般分为( A.系统软件和应用软件 )两大部分。
8.在计算机内部，不需要编译计算机就能够直接执行的语言是( C.机器语言 )。
9.主要决定微机性能的是(A.CPU )。
11.MIPS常用来描述计算机的运算速度，其含义是( C.每秒钟执行百万条指令 )。
12.计算机存储数据的最小单位是二进制的( A.位（比特） )。
13.一个字节包括( A.8 )个二进制位。
17.下列逻辑运算结果不正确的是( B.1+0＝1 )。
19.在3.5英寸的软盘上有一个带滑块的小方孔，其作用是( D.进行写保护 )。
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