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�惦(ch��)�����Ķ��x ���惦(ch��)������ָ�����ܴ�Ŷ��M(j��n)�ƴ��a�Ŀ�λ��(sh��)

�惦(ch��)������Ӌ(j��)�㹫ʽ��

   ��λӋ(j��)�� (b)   ��        �惦(ch��)���� = �惦(ch��)��Ԫ��(g��)��(sh��) x �惦(ch��)���L(zh��ng)

   ���ֹ�(ji��)Ӌ(j��)��(B)��        �惦(ch��)���� = �惦(ch��)��Ԫ��(g��)��(sh��) x �惦(ch��)���L(zh��ng) / 8

�惦(ch��)��Ԫ ��CPU�L��(w��n)�惦(ch��)������С��λ��ÿ��(g��)�惦(ch��)��Ԫ����һ��(g��)��ַ��

�惦(ch��)���L(zh��ng) ���惦(ch��)����һ��(g��)�惦(ch��)��Ԫ(�惦(ch��)��ַ)���惦(ch��)�Ķ��M(j��n)�ƴ��a��λ��(sh��)��

���}��һ��(g��)�惦(ch��)����16����ַ��(xi��n)��8����(sh��)��(j��)��(xi��n)����˴惦(ch��)���惦(ch��)����?

�𣺰�λ��ȡ  2^16 x 8λ =64K x 8λ 

      ���ֹ�(ji��)��ȡ   2^16 x 8λ/8 = 64K x B = 64kB

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�惦(ch��)��Ԫ�c��ַ��(xi��n)���P(gu��n)ϵ��  �҂�֪��CPU�L��(w��n)�惦(ch��)������С��λ�Ǵ惦(ch��)��Ԫ��ÿ��(g��)�惦(ch��)��Ԫ����һ��(g��)��ַ��1 ����ַ��(xi��n)���Բ��� 2 ��(g��)��ַ��2��(g��)�惦(ch��)��Ԫ��16����ַ��(xi��n)�t���Բ��� 2^16��(g��)�惦(ch��)��Ԫ��

�惦(ch��)���L(zh��ng)�c��(sh��)��(j��)��(xi��n)���P(gu��n)ϵ ��  �҂�֪���惦(ch��)���L(zh��ng)��ָ�惦(ch��)����һ��(g��)�惦(ch��)��Ԫ(�惦(ch��)��ַ)���惦(ch��)�Ķ��M(j��n)�ƴ��a��λ��(sh��)�������M(j��n)�ƴ��a��λ��(sh��)���ɔ�(sh��)��(j��)��(xi��n)�ĸ���(sh��)�Q������Ҳ�����f(shu��)�� �惦(ch��)���L(zh��ng) = ��(sh��)��(j��)��(xi��n)����(sh��)

�ֹ�(ji��)��B���cλ(b)���P(gu��n)ϵ  :    Ӌ(j��)��C(j��)��Ҏ(gu��)�� 1Byte = 8bit ,�](m��i)�О�ʲô�����@��Ҏ(gu��)�����ģ�����

���Դ惦(ch��)�������������ɷN��ʾ���� 64K x 8λ = 64KB

�҂���Ҋ(ji��n)�ă�(n��i)��������ʾ���� �����ֹ�(ji��)���λ�ġ����� 1GB  ,4MB, 512KB

1GB = 10^3MB =10^6KB = 10^9B = 10^9 x 8b