【判断题】【消耗次数:1】
运算{Φ, {Φ}}-{Φ}的值为 {Φ}。
正确
错误
参考答案:
复制
纠错
相关题目
【判断题】 伯德图中幅值采用分贝做单位,可简化乘除运算为加减运算。
①  正确
②  错误
【单选题】 假定p所指对象的值为25,p+1所指对象的值为42,则执行(*p)++运算后,p所指对象的值为( )。
①  25
②  42
③  26
④  43
【单选题】 假定p所指对象的值为25,p+1所指对象的值为42,则执行(*p)++运算后,p所指对象的值为( )。
①  25
②  42
③  26
④  43
【单选题】 假定p所指对象的值为25,p+1所指对象的值为42,则执行*p++运算后,p所指对象的值为( )。
①  25
②  42
③  26
④  26
【单选题】 假定p所指对象的值为25,p+1所指对象的值为42,则执行*p++运算后,p所指对象的值为( )。
①  25
②  42
③  26
④  43
【单选题】 假定p所指对象的值为25,p+1所指对象的值为42,则执行*p++运算后,p所指对象的值为( )。
①  25
②  42
③  26
④  43
【判断题】 指针的加减运算是指针地址内存储值的加减运算
①  正确
②  错误
【单选题】 关系代数运算是以( )为基础的运算。
①  关系运算
②  谓词演算
③  集合运算
④  代数运算
【单选题】 用来判断两个值大小关系的运算符是()。
①  算术运算符
②  关系运算符
③  逻辑运算符
④  条件运算符
【判断题】 在逻辑运算中,逻辑值1大于逻辑值0。
①  正确
②  错误
随机题目
【单选题】 I want to know________ .
①  what is his name
②  that his name is
③  what his name is
【单选题】 We consider it necessary ______ Tom should improve his behavior.
①  which
②  that
③  what
【单选题】 Do you mind me the window beside you.
①  to open
②  opening
③  open
④  opened
【单选题】 Lily is a good student except ________ she is a little bit careless.
①  where
②  which
③  that
【单选题】 Encouraging the elderly people to participate games is very important.
①  at
②  in
③  with
④  for
【单选题】 He asked me ___________ Zhang Hua came to school or not.
①  whether
②  if
③  .what
【单选题】 Tom won the first prize of oral English contest, which is beyond his ______.
①  reputation
②  contribution
③  expectation
【单选题】 It is said that ______ 2000 factories closed down during the economic crisis.
①  properly
②  approximately
③  . considerably
【单选题】 Wecan’tgeteverything ,so we need others to help.
①  done
②  do
③  doing
④  did
【单选题】 —How do you feel about your family life? — .
①  Good. It’s a good choice to work there.
②  Not bad. I think it is a good choice to be a full-time mother.
③  Not bad. I have visited their family a lot of times.