皮皮学，免费搜题
登录
搜题
【简答题】
CPU执行一段程序时,cache完成存取的次数为1900次,主存完成存取的次数为100次,已知cache存取周期为50ns,主存存取周期为250ns,求cache/主存系统的效率和平均访问时间。
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
【单选题】－Do you want to listen to this CD again or shall I_______?(朝阳区) －I’d like to listen to it again.
A.
get it back
B.
hand it out
C.
put it away
D.
tkae it down
【单选题】I have_______ my husband again and again not to smoke, but he won’t listen.
A.
persuaded
B.
advised
C.
suggested
D.
mentioned
【单选题】These instructions are important, so listen carefully while I ______ them again.
A.
Put through
B.
go with
C.
run over
D.
take on
【单选题】The teacher asked the students __________ her _______ the word again.
A.
listen to; to read
B.
to hear; say
C.
to listen to; speak
D.
to listen to; pronounce
【单选题】When you try to __________a crying baby, you can make faces.
A.
wake up
B.
cheer up
C.
give up
D.
stay up
【简答题】阅读下面材料，回答下列问题。 中国西部地区包括陕西、甘肃、青海、内蒙古、宁夏、、四川、重庆、云南、贵州、广西、等十二个省、自治区和直辖市，其土地面积540万平方千米，占全国国土面积的56%，目前有人口约2.87亿，占全国人口的22.99%，该地区疆域辽阔、人口稀少，是我国少数民族聚集的地区。 （1）我国人口分布特点：以 —— 一线为界，东部人口 ，西部人口 。 （2）上述各省中， 省的少数...
【单选题】Your father is sleeping. You'd better ___________.
A.
not to wake him up
B.
not to wake up him
C.
not wake up him
D.
not wake him up
相关题目：