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【简答题】
说明PN结形成的工作原理。
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【简答题】日译汉: 分からない方は手を上げてください。 父は毎晩運動しなければなりません。 夜12時まで寝なければなりません。 宿題は出さなくてもいいです。 明日休みですから早く起きなくてもいいです。 さんは 7時45分のバスで新宿まで行って、8時45分の電車に乗ります。 先生、もうよくなりましたから、薬を飲まなくてもいいですか。
【单选题】Which of the following statements is true of management information systems?
A.
The management information systems discipline had been in existence prior to the invention of the first generation computer.
B.
Management information systems lack the ability to support tactical decision making at the managerial level.
C.
The management information systems discipline draws interest from researchers and practitioners only from the computer science field.
D.
The study of information systems that includes how people, technology, processes, and data work together is called management information systems.
【单选题】Which of the following statements is true of enterprise information systems?
A.
They are information systems that are shared by two or more independent organizations.
B.
The solutions to problems in these systems usually involve more than one department.
C.
Enterprise information systems typically support less than 100 users.
D.
They are called personal information systems if they support a particular business function.
【简答题】All of the followingstatements regarding accounting information systems are true except:A. Accountinginformation systems collect and process data from transactions and s.B. Accountinginformation ...
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