【判断题】【消耗次数:1】
奇偶校验码是最基本的检错码,用来使用PCM方法传送讯号时避免出错。
正确
错误
参考答案:
复制
纠错
相关题目
【判断题】 奇偶校验码可以校验奇数个位的出错,并能确定出错的位置
①  正确
②  错误
【判断题】 在局域网中广泛使用的校验方法是奇偶校验。
①  正确
②  错误
【判断题】 海明校验码是对多个数据位使用多个校验位的一种检错纠错编码方案,不仅可以发现是否出错,还能发现是哪位出错
①  正确
②  错误
【判断题】 奇偶校验可以纠正代码中出现的错误。
①  正确
②  错误
【单选题】 假定下列字符码末位为奇偶校验位,无数据错,采用偶校验的字符码是______。
①  11001011
②  11010110
③  11000001
④  11001001
【判断题】 利用不同权因子序列和模型计算出的校验码有不同的检错效率。
①  正确
②  错误
【简答题】 简述利用校验码实施校验的原理。
【判断题】 差错控制编码大致可以分为检错码和纠错码两类。
①  正确
②  错误
【判断题】 循环冗余码是一种纠错码。
①  正确
②  错误
【单选题】 若下列字符码中,无数据错误,则其中采用偶校验的字符码是______。
①  11100101
②  11001101
③  11000001
④  10010011
随机题目
【单选题】 —Don’t forget to come to my birthday party tomorrow.—I ____ .
①  don’t
②  won’t
③  can’t
④  haven’t
【单选题】 Fortunately, Jack was only slightly injured in the traffic ____ .
①  incident
②  event
③  case
④  accident
【单选题】 I want to paint the wall, but I can’t ____ on the color. ?
①  design ?
②  decide ?
③  desire ?
④  detect?
【单选题】 The book I ____ the other day can be found nowhere.
①  borrow
②  borrowed
③  are borrowing
④  was borrowing
【单选题】 Her parents objected to ____ that farmer, though he has a lot of money.?
①  her marrying ?
②  marrying ?
③  marry ?
④  her marrying with?
【单选题】 Tom, what did you do with my documents? I have never seen such a____ and disorder!
①  mass
②  mess
③  guess
④  bus
【单选题】 —Could I borrow your dictionary? —I’d get it for you ____I could remember who last borrowed it.
①  except that
②  unless
③  only if
④  if only
【单选题】 No one thought that John’s suggestion was worth ____.?
①  ?to consider ?
②  considering ?
③  to be considered ?
④  of consideration?
【单选题】 We must ____ that our customs and habits are different from theirs.
①  keep up with
②  bring forward
③  keep in mind
④  come true
【单选题】 20. Only when he had handed in his exam paper ____ he had made several mistakes.
①  he has realized
②  does he realize
③  has he realized
④  did he realize