![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
系统软件中最基本的是()
A.<span style="font-family: 宋体;">文件管理系统</span>
B.<span style="font-family: 宋体;">操作系统</span>
C.<span style="font-family: 宋体;">文字处理系统</span>
D.<span style="font-family: 宋体;">数据库管理系统</span>
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、<span style="font-family: 宋体;">操作系统</span>
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)