研究生入学试题计算机组成原理期末卷20套含答案

上传者: liquan2010 | 上传时间: 2020-01-13 03:05:30 | 文件大小: 1.49MB | 文件类型: rar
3.多媒体CPU是带有A.___技术的处理器,它是一种B._______技术,特别适用于C.___处理。 6.DMA技术的出现,使得A.___可以通过B.___直接访问C.___,同时,CPU可以继续 执行程序。 二.(10分)设由S,E,M三个域组成的一个32位二进制字所表示的非零规格化数x,其表示为 x = (-1)S×(1.M)×2E-128 问:它所能表示的规格化的最大正数,最小正数,最大负数,最小负数是多少? 四.(10分)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:(1)cache/主存系统的效率 。 (2)平均访问时间。

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  • 玫瑰-惜浪 :
    内容丰富 很实用
    2014-10-12

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