【简介】感谢网友“gcxwaini”参与投稿，这里小编给大家分享一些技工英文笔试题（共11篇），方便大家学习。
篇1：技工英文笔试题
技工英文笔试题
选择题
1:Which property of the output capacitor is the primary cause of Low Drop Out(LDO) regulator loop instability?
A.Equivalent series resistance(ESR)
B.Effective series inductance(ESL)
C.Capacitance value
D.Dielectric material
2:A律13折线通常采用的量化级数为，
A.16
B.256
C.128
D.2048
3:伪指令DA1 DB 04H DUP(3 DUP(2)， 2 DUP(3))在数据区中能构成0203H操作数共有
A.07个
B.04个
C.03个
D.02个
4:异步复接二次群帧周期是。
A.100.38μs
B.125μs
C.250μs
D.500μs
5:假设存储器中从7462H单元开始的四个相邻字节单元中的内容依次是32H，46H，52H，OFEH，则存放字数据OFE52H的字地址是
A.7462H
B.7463H
C.7464H
D.7465H
…… 此处隐藏7955字 ……
9.what is interface.
ans:Interface has only method declarations but no defn
10.what is differenec between abstract class and interface.
ans:In abstract class some methods may contain definition,but in interface every method should be abstract
11.how to u prove that abstrace class cannot instantiate directly.
ans:As they dont have constructor they cant be instantiated
12.what is differenece between string and stringbuffer.
ans:Strings are immutable where as string buffer can be modified
