【单选题】【消耗次数:1】
使8段LED显示器显示数字的编码称为。
字形码
ASCII码
区位码
BCD码
参考答案:
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相关题目
【单选题】 使8段LED显示器显示数字的编码称为( )。
①  字形码
②  ASC码
③  区位码
④  国标区位码
【判断题】 字形码是输给8段显示器的段控端。
①  正确
②  错误
【单选题】 已知汉字家的区位码是2850,则其国标码是________。
①  4870D
②  3C52H
③  9CB2H
④  A8D0H
【单选题】 LCD显示器比LED显示器( )。
①  费电
②  省电
③  亮度高
④  屏幕大
【单选题】 共阴极LED数码管显示字符“6”的段码是____。
①  0x06
②  0x7D
③  0x82
④  0xFA
【单选题】 ASCII码是(  )编码
①  英文字符
②  汉字
③  图像
④  显示卡
【判断题】 LED显示器有共阳极和共阴极之分。
①  正确
②  错误
【单选题】 为了解决汉字的显示和输出问题,需要对汉字进行编码,这种编码称为汉字的( )码。
①  国标
②  机内
③  字形
④  输入
【单选题】 在共阳极数码管使用中,若要是仅显示小数点,则其相应的字形码是____。
①  0x80
②  0x10
③  0x40
④  0x7F
【判断题】 8421BCD码、2421BCD码和余3码都属于有权码。
①  正确
②  错误
随机题目
【单选题】 These two areas are similar __________ they both have a high rainfall during this season.
①  to that
②  besides that
③  in that
④  except that
【单选题】 Success results ___________ hard work, and hard work results in success.
①  from
②  in
③  by
④  with
【单选题】 David, there a dictionary and some books on your desk. Please put them away.
①  is
②  are
③  have
④  has
【单选题】 _________ is no reason for dismissing him.
①  Because he was a few minutes late
②  Owing to a few minutes being late
③  The fact that he was a few minutes late
④  Being a few minutes late
【单选题】 Police are __________ the disappearance of two children.
①  looking out
②  looking after
③  looking into
④  looking on
【单选题】 He his success to good luck.
①  adds
②  owes
③  apologizes
④  limits
【单选题】 This article deals with the natural phenomenon which __________ most interesting to everyone.
①  are
②  is
③  they are
④  it is
【单选题】 This is a very difficult operation. It is essential that you __________ for emergency.
①  are to be prepared
②  would prepared
③  be prepared
④  must be prepared
【单选题】 I __________ going to the doctor, but I wish I hadn’t.
①  pick out
②  make out
③  give off
④  put off
【单选题】 I can be a teacher. I’m not a very patient person.
①  seldom
②  ever
③  never
④  always