The design scheme for display operating, the application of memory technology, the design ideas for CRT drive circuit and light pen input system have been given.

给出了系统设计方案，其存储器技术的应用以及CRT驱动电路与光笔输入系统设计思想。

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All you have to do is select a pen drive from a drop-down list and format the write-protected device with the click of a button.

所有您需要做的是选择从下拉列表中选择一个笔式驱动器和写保护装置一个按钮，点击格式化。

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The software allows you to block any viruses or threats that might infect pen drives or external HDDs. You may easily scan the USB drive for malware.

该软件可以自动扫描任何USB驱动器连接到你的计算机，以确定是否有任何病毒，恶意软件和其他威胁。

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The unencrypted USB pen drive, containing a 'stress test' safety assessment of the Hartlepool plant, was lost by an employee of the Office for Nuclear Regulation (ONR).

BBC: USB stick with nuclear plant data lost by ONR official

There are many details that will then drive your pen to design the product correctly.

FORBES: How To Design Watches That Everyone Wants