由二進(jìn)制數(shù)轉(zhuǎn)換成十進(jìn)制數(shù)的基本做法是,把二進(jìn)制數(shù)首先寫(xiě)成加權(quán)系數(shù)展開(kāi)式,按十進(jìn)制加法規(guī)則求和.這種做法稱(chēng)為“按權(quán)相加”法.
【例】把二進(jìn)制數(shù)110.11轉(zhuǎn)換成十進(jìn)制數(shù).
由二進(jìn)制數(shù)轉(zhuǎn)換成十進(jìn)制數(shù)的基本做法是,把二進(jìn)制數(shù)首先寫(xiě)成加權(quán)系數(shù)展開(kāi)式,按十進(jìn)制加法規(guī)則求和.這種做法稱(chēng)為“按權(quán)相加”法.
【例】把二進(jìn)制數(shù)110.11轉(zhuǎn)換成十進(jìn)制數(shù).