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单选题 is the most important device for forefront high-density integrated circuits such as microprocessors and semiconductor memories
学科：微电子专业英语
时间：2024-12-24 10:41:11
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题目1单选题
Initially,at the metallurgical junction,there is ( ) density gradient in both the electron and hole concentrationsA. a very largeB. a very smallC. no
题目2单选题
As electrons diffuse from the n region,( ) charged donor atoms are left behindA. noB. positivelyC. negatively
题目3单选题
The bipolar transistor has three separately doped regions and ( ) pn junctionsA. oneB. twoC. threeD. four
题目4单选题
is the most important device for forefront high-density integrated circuits such as microprocessors and semiconductor memoriesA. The diodesB. The BJTsC. The MOSFETs
题目5单选题
C语言中break和continue语句说法正确的是( )A. break和continue的跳转范围不够明确,容易产生问题B. break语句只应用于循环体中C. break语句是无条件跳转语句,continue不是D. continue语句只应用于循环体中
题目6单选题
若有定义:int a;则语句a=(3*4)+2%3;运行后a的值为( )A. 14B. 17C. 12D. 11
题目7单选题
定义int x=10,y,z;执行y=z=x;x=y==z;后,x的值是( )A. 0B. 1C. 10D. 5
题目8单选题
若有说明int a=2, int *p=&a; int *q=p;则以下非法的赋值语句是( )A. a=*qB. q=aC. p=qD. *p=*q
题目9单选题
以下哪些选项符合标识符命名( )A. ifB. _8!qC. _ab_D. goto
题目10单选题
以下说法中正确的是( )A. C语言程序总是从第一个定义的函数开始执行B. 在C语言程序中,要调用的函数必须在main()函数中定义C. C语言程序总是从main()函数开始执行D. C语言程序中的main()函数必须放在程序的开始部分
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