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试述现代科技、现代生产和现代商品经济对德育的影响。

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进程管理主要是对 【7】 进行管理。

The computer has changed the way we work, team, communicate, and play; Virtually ewery kind of organization throughout the world conducts business with computers. Students, teachers, and research scientists use the computer as a learning tool. Millions of individuals and organizations communicate with one another over a network of computers called the Internet. Computer games entertain people of all ages. Almost all computers are electronic digital computers. They are electronic in their use of electric current(电流) to carry information. They are digital in. that they process information as units of electric charge representing numbers. The word digital means having to do with numbers. To enable a computer to process information that is not numerical — such as words, pictures, or sounds — the computer or some other &vice must first digitize: that information. A device digitizes information by translating it into charges that represent numbers. After the computer processes the digitized information by working with the charges, the computer or a device: connected to the computer translates its results hack into their original form. Thus, an artist might use a machine called a scanner to digitize a photograph. The artist would next process the resulting electric charges in a computer to Change the photograph perhaps to add a border. The artist would then use a printer connected to the computer to produce a, copy of the altered photo. Digital computers are one of two general kinds of computers. The other kind is calculating devices called analog computers. An analog computer represents amounts with physical quantities, such as distances along a scale, rather than with numbers. The word "digitize" (Par

A. 2, sentence 5) means______.A. controlB. convert data into numbersC. make use ofD. manipulate

价值体系个性化内分两个水平,即______和______。

在数据库设计的4个阶段中,每个阶段都有自己的设计内容。“为哪些表、在哪些字段上、建什么样的索引”这一设计内容应该属于 【17】 设计阶段。

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