超星 - L24-句子词汇 - 查题吧

单选题

A printed circuit board, or PCB, is used to mechanically support and electrically connect electronic components. PCBs form an essential part of any electronics equipment these days.

A. 印刷电路板
B. 机械支撑
C. 电气连接
D. 基本部分

单选题

The PCB design and layout forms an integral part of the design of the whole electronic product, and it can be the key to the success of the product meeting its performance requirements in many instances.

A. PCB设计
B. 成功的关键
C. 电子产品
D. 满足其性能

单选题

In the early days of PCBs, the design and layout was undertaken manually. Nowadays the PCB design process has been computerized and there are many PCB CAD softwares that enable the PCB layout and design to be undertaken more efficiently than before.

A. 手动操作
B. 设计更有效
C. 计算机化
D. 计算机辅助设计软件

单选题

Protel is an important tool for PCB design. The following steps are to give you an overview of how to create a schematic and design a PCB using the Protel tool .

A. 重要工具
B. Protel工具
C. 概述
D. 计算机辅助设计

单选题

Start Protel and create a new PCB Project. Create a new schematic sheet .

A. 原理图图纸
B. 启动Protel
C. 创建
D. PCB工程

单选题

Place the components on the schematic. Wire up the circuit to create connectivity between the various components.

A. 放置元件
B. 原理图
C. 创建连接
D. 连线电路

单选题

Compile the project to check for electrical rules errors in the design documents. Transfer the schematic information to the new blank PCB in the project.

A. 检查规则
B. 错误
C. 编译工程
D. 空白PCB

单选题

Place the components in their right positions on the PCB. Route the board. Routing is the process of laying tracks and vias on the board to connect the components.

A. 布线
B. 铺设导线轨道
C. 过孔
D. 放置元件

单选题

While autorouting provides an easy and powerful way to route a board, there will be situations where you will need exact control over the placement of tracks.

A. 板子
B. 精确控制
C. 导线轨道位置
D. 自动布线

单选题

Finally run a Design Rule Check （DRC）to verify that the PCB layout conforms to the design rules.

A. 运行
B. 设计规则检查
C. 验证
D. 符合规则

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