若有定义:enumday{sun,mon,tue,wed,thu,fri,sat};,则枚举常量sun、mon的值分别为_______。 A: 0 1 B: 7 1 C: 1 2 D: 7 0
若有定义:enumday{sun,mon,tue,wed,thu,fri,sat};,则枚举常量sun、mon的值分别为_______。 A: 0 1 B: 7 1 C: 1 2 D: 7 0
在1/82/153/25()最接近0()最接近1/2()最接近1
在1/82/153/25()最接近0()最接近1/2()最接近1
若有定义:enum<br/>day{sun,mon, tue, wed, thu, fri, sat} ; ,则枚举常量sun、mon的值分别为( )。 A: 0 1 B: 7 1 C: 1 2 D: 7 0
若有定义:enum<br/>day{sun,mon, tue, wed, thu, fri, sat} ; ,则枚举常量sun、mon的值分别为( )。 A: 0 1 B: 7 1 C: 1 2 D: 7 0
设有以下枚举说明语句:enum weekday{Mon=1,Tues,Wed,Thurs,Fri,Sat,Sun=0}week;下面那一条赋值语句是错误的? A: week=weekday(1); B: week=1; C: week=Mon; D: week=(weekday)1;
设有以下枚举说明语句:enum weekday{Mon=1,Tues,Wed,Thurs,Fri,Sat,Sun=0}week;下面那一条赋值语句是错误的? A: week=weekday(1); B: week=1; C: week=Mon; D: week=(weekday)1;
DIP的封装面积与芯片面积比大概为:( ) A: 82:1 B: 1:82 C: 85:1 D: 1:85 E: 100:1 F: 1:100
DIP的封装面积与芯片面积比大概为:( ) A: 82:1 B: 1:82 C: 85:1 D: 1:85 E: 100:1 F: 1:100
DIP的封装面积与芯片面积比大概为:() A: 82:1 B: 1:82 C: 85:1 D: 1:85 E: 100:1 F: 1:100
DIP的封装面积与芯片面积比大概为:() A: 82:1 B: 1:82 C: 85:1 D: 1:85 E: 100:1 F: 1:100
函数setDate(date,mon,year),参数data的取值可为()。 A: 1 B: 1-31 C: 31 D: 0 E: 32
函数setDate(date,mon,year),参数data的取值可为()。 A: 1 B: 1-31 C: 31 D: 0 E: 32
以下HDB3码中,哪些可以确定其中有误码 A: +1 0 0 0 -1 0 +1 -1 +1 0 0 +1 0 -1 +1 -1 0 0 -1 +1…… B: +1 0 0 -1 +1 0 0 0 +1 -1 0 0 -1 0 0 0 +1 0 0 +1 -1…… C: -1 0 0 0 -1 0 +1 0 0 0 +1 -1 +1 0 0 +1 0 0 -1 +1…… D: -1 0 +1 0 0 0 -1 +1 0 0 0 +1 -1 +1 -1 0 0 -1 +1 0 -1……
以下HDB3码中,哪些可以确定其中有误码 A: +1 0 0 0 -1 0 +1 -1 +1 0 0 +1 0 -1 +1 -1 0 0 -1 +1…… B: +1 0 0 -1 +1 0 0 0 +1 -1 0 0 -1 0 0 0 +1 0 0 +1 -1…… C: -1 0 0 0 -1 0 +1 0 0 0 +1 -1 +1 0 0 +1 0 0 -1 +1…… D: -1 0 +1 0 0 0 -1 +1 0 0 0 +1 -1 +1 -1 0 0 -1 +1 0 -1……
烷烃伯仲叔氢在室温一溴代反应的活性为() A: 1:82:1600 B: 1600:82:1 C: 1:4:5
烷烃伯仲叔氢在室温一溴代反应的活性为() A: 1:82:1600 B: 1600:82:1 C: 1:4:5
1 1 1 1 1 0 1 1 1 1 0 0 1 1 1 0 0 0 1 1 0 0 0 0 1
1 1 1 1 1 0 1 1 1 1 0 0 1 1 1 0 0 0 1 1 0 0 0 0 1