Cache存储器的存取方式是（）。
A.只读存取
B.随机存取
C.顺序存取
D.先进先出存取
参考答案：B
解析：
高速缓冲存储器(Cache)其原始意义是指存取速度比一般随机存取记忆体(RAM)来得快的一种RAM（Random Access Memory，随机存储器），一般而言它不像系统主记忆体那样使用DRAM技术（也采用随机存储方式），而使用昂贵但较快速的SRAM技术，也有快取记忆体的名称。
Pop music is the name for various popular，commercial music．It originated in the USA and spread through the whole world during the 1950s and 60s．It is widely liked by the young people．The best known early form of pop music was “rock’n’ roll”; another was “blues”. A more recent development is “folk rock”．Pop music has taken the place of native music in many parts of the world．It has caused the number of people for “jazz” music to become much smaller than in the 1950s and earlier, and it has now began to rule music stage productions．It is a big industry． Much pop music is without artistic value, but the work of some pop singers e.g. the Beatles, Bob Dylan, the group like Pink Floyd and Crosby, Still and Nash, is on a higher musical level. And there is still great interest in it today. Pop music concerts and festivals are held all over the world. 小题1: In this passage the underlined word "originated" means _______.
 sit is today.
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