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【单选题】
一条双字长直接寻址的子程序调用CALL指令,其第一个字位操作码和寻址特征,第二个字为地址码5000H。假设PC当前值为1000H,SP的内容为0100H,栈顶内容为1234H,存储器按字编址,而且进栈操作是先(SP)-△ SP,后存入数据。试完成下列填空: 2)CALL指令被执行后,PC内容为______ ,SP内容为______ ,栈顶内容为______ 。A.
1000H；0100H；1234H
B.
5000H；00FFH；1002H
C.
5000H；0100H；1234H
D.
1000H；00FFH；1002H
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【简答题】变压器的损耗有铁损耗和( )。
【多选题】关于模式与实例的描述正确的是:
A.
模式只是对记录型的描述，而与具体的值无关
B.
同一个模式可以有很多实例
C.
模式反映的是数据的结构及其联系，实例反映的是数据库某一时刻的状态
D.
模式是相对变动的，实例是相对稳定的
【多选题】“Nature does not hurry, yet everything is accomplished” — Lao Tzu If you are in a city where everyone rushes, realize that you don’t have to be like everyone else. You can be different. You can walk i...
A.
. Start to put off or cancel the unnecessary.
B.
. Meetings are usually a “big waste of time”.
C.
. The world likely won’t end if you don’t pass one of the examinations.
D.
. But here are some things to consider and perhaps adopt, if they work for your life. E. Remember the quote: if nature can get everything done without rushing, so can you. F. Pick 2-3 important things — or even just one important thing — and work on those first. G. Give yourself more time to get ready and get there.
【单选题】--- Can you believe I had to pay 50 yuan for a haircut? -----You should try the barber’s I go. It’s only 10.
A.
as
B.
which
C.
where
D.
that
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