题目内容

____:The fineness of detail that can be distinguished in an image, as on a video display terminal.

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____: One of a set of symbols, such as letters or numbers, that are arranged to express information.

把下列句子翻译为中文(1) The operating system is the program that manages a computer 's resources.(2) Computer databases typically contain aggregations of data records or files.(3) Compressed files have to be extracted using a utility such as WinZip.(4) Calling cells by just their column and row labels is called relative referencing.(5) A database management system allows control of security and data integrity requirements.(6) On larger networks, the trip from one switch point to another in the network is called a hop.(7) A uniform resource locator is basically just an address for a file that can be given to a browser.

（8-1）Java语言提供的JFC中，（）包用来提供数据库操作的类和接口。

A. java.net
B. java.sql
C. java.awt
D. java.io

（8-1）以下说法正确的是（）。

A. java.lang包被隐式包含到所有程序中
B. Java的import关键字用来通知编译器当前正在编写一个数据输入类
C. "importjava.awt.*"表示使用一个java.awt包中名称为"*"的类
D. java.net包中包含了java.awt包