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<blockquote data-quote="Gmaduranga" data-source="post: 22259053" data-attributes="member: 16681"><p><span style="font-size: 15px">සම්පූර්න RAM ප්රමානය => 256M * 128 = 2^8 * 2^7 * M = 2^15 Mbytes</span></p><p><span style="font-size: 15px">chip එකක ප්රමානය => 1024K * 32 = 2^5 * M = 2^5 Mbytes</span></p><p><span style="font-size: 15px"></span></p><p><span style="font-size: 15px">අවශ්ය chip ප්රමානය => 2^15 / 2^5 = 2^10 = 1024</span></p><p><span style="font-size: 15px">RAM word size 128 සහ chip word size 32 නිසා, එක් word එකකට chips 128/32=4</span></p><p><span style="font-size: 15px">chip එකක් select කිරීමට අවශ්ය bites ප්රමානය => 1024 = 2^10 => 10</span></p><p><span style="font-size: 15px">chip එකක් තුල address එකක් select කිරීමට අවශ්ය bites ප්රමානය => 2^15 - 2^10=2^5 => 5</span></p><p><span style="font-size: 15px">banks ප්රමානය => 1024/4 = 256</span></p><p><span style="font-size: 15px"></span></p><p><span style="font-size: 15px"></span></p><p><span style="font-size: 15px">*Update</span></p><p><span style="font-size: 15px">Mbytes, bytes වලට හරවන්න ඕන.</span></p><p><span style="font-size: 15px"></span></p><p><span style="font-size: 15px">chip එකක් තුල address එකක් select කිරීමට අවශ්ය bites ප්රමානය => <span style="color: Red">(2^15 * M) - 2^10=2^15 => 15</span></span></p><p><span style="font-size: 15px"></span></p></blockquote><p></p>
[QUOTE="Gmaduranga, post: 22259053, member: 16681"] [SIZE="4"]සම්පූර්න RAM ප්රමානය => 256M * 128 = 2^8 * 2^7 * M = 2^15 Mbytes chip එකක ප්රමානය => 1024K * 32 = 2^5 * M = 2^5 Mbytes අවශ්ය chip ප්රමානය => 2^15 / 2^5 = 2^10 = 1024 RAM word size 128 සහ chip word size 32 නිසා, එක් word එකකට chips 128/32=4 chip එකක් select කිරීමට අවශ්ය bites ප්රමානය => 1024 = 2^10 => 10 chip එකක් තුල address එකක් select කිරීමට අවශ්ය bites ප්රමානය => 2^15 - 2^10=2^5 => 5 banks ප්රමානය => 1024/4 = 256 *Update Mbytes, bytes වලට හරවන්න ඕන. chip එකක් තුල address එකක් select කිරීමට අවශ්ය bites ප්රමානය => [COLOR="Red"](2^15 * M) - 2^10=2^15 => 15[/COLOR] [/SIZE] [/QUOTE]
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