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应用题: 假设 CPU 执行某段程序时共访问 Cache 命中 3800 次,访问主存 200 次,已知 Cache 的存取周期为 30ns ,主存的存取周期为 120ns ,求 Cache 的命中率以及 Cache- 主存系统的平均访问时间和效率,试问该系统的性能提高了多少倍?
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皮皮学刷刷变学霸
举一反三
【简答题】When you enter the plane, you put your luggage in the (overhead compartment) . You may need to ask a ______________ for help.
【单选题】I’ve already ___ at the hotel.Can I put my luggage in your room for a while?
A.
checked out
B.
checked off
C.
paid off
D.
paid off
【判断题】Don’t put the hotel’s address and phone number on your luggage tags in order to avoid identity theft.
A.
正确
B.
错误
【简答题】You could put your big luggage in the Left Luggage.
【简答题】When you arrive at the airport for your flight, you go to the ______ ______ first. 2. When your departing flight is announced, pick up your ________ ______ and go to the gate. 3. Before you get on the...
【单选题】I’ve already ___ at the hotel.Can I put my luggage in your room for a while?
A.
checked out
B.
checked off .
C.
paid for
D.
paid off
【单选题】手部自然修甲正确步骤是( )
A.
去除甲油－修形－消毒－清洁前缘
B.
修形－去除指甲油－消毒－清洁前缘
C.
消毒－去除指甲油－修形－清洁前缘
D.
修形－清洁前缘－消毒－去除指甲油
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