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名詞解釋：base address
base address 基址：
the part of a two-part memory address that remains constant and provides a reference point from which the location of a byte of data can be calculated. a base address is accompanied by an offset value that is added to the base to determine the exact location(the absolute address)of the information. the concept is similar to a street address system . for example, "2010 main street " plus an offset(10from the beginning of the block ).base address are known as segment address in IBM pcs and compatibles; data in these computers is identified by its position as a relative offset the start of the segment.
保持恒定的兩部分內(nèi)存地址的一部分并提供一個(gè)基準(zhǔn)點(diǎn)，從這里可以計(jì)算一個(gè)字節(jié)數(shù)據(jù)的位置�；钒殡S著一個(gè)加到基上的偏移值來確定信息準(zhǔn)確的位置（絕對(duì)地址）。這一概念與街道地址系統(tǒng)雷同。例如：“大街2010號(hào)”由基（大街2000街段）加上偏移值（從街段開始的10號(hào)）。在IBMPC和兼容機(jī)中的數(shù)據(jù)按其相對(duì)于由段開始的相對(duì)偏移位置被識(shí)別。
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