定時(shí)和計(jì)數(shù)都是對(duì)_______進(jìn)行計(jì)數(shù),
定時(shí)與計(jì)數(shù)的區(qū)別是_________________。
【答案】脈沖;定時(shí)是對(duì)周期已知的脈沖計(jì)數(shù),計(jì)數(shù)是對(duì)周期未知的脈沖計(jì)數(shù)。
定時(shí)和計(jì)數(shù)都是對(duì)_______進(jìn)行計(jì)數(shù),
定時(shí)與計(jì)數(shù)的區(qū)別是_________________。
【答案】脈沖;定時(shí)是對(duì)周期已知的脈沖計(jì)數(shù),計(jì)數(shù)是對(duì)周期未知的脈沖計(jì)數(shù)。