皮皮学，免费搜题
登录
搜题
【简答题】
某系统在一台处理机上按短作业优先调度算法进行调度,现有A、B、C三个作业同时到达并立即调度,每个作业的计算时间分别是30分钟,20分钟,60分钟,则平均周转时间为___分钟,平均带权周转时间为___( 保留小数点后1位)。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】试述现代信用体系的构成。
【简答题】Dear Tom, I was surprising to receive your letter a few days ago. Since I came to the new school, I had planned to write to you. Therefore, the busy life of the school spared me no time. After came to...
【简答题】On August 26, 1999, New York City was struck by a terrible rainstorm. The rain caused the streets 1 and the subway system almost came to a stop. Unfortunately, this happened during the morning rush ho...
【简答题】On August 26, 1999, New York City was struck by a terrible rainstorm. The rain caused the streets to flood and the subway system almost came to a stop. Unfortunately, this happened during the morning ...
【单选题】In England recently three foreigners came to a bus stop. About 5 minutes later the bus they wanted came on. They prepared to board it. Suddenly there was a hind noise behind them. People rushed on to ...
A.
they did not queue for the bus
B.
they were foreigners
C.
the people were unfriendly
D.
there were not any reasons
相关题目：