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DeltaTrak PDF 数据记录仪不会带来病毒风险 | DeltaTrak China
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DeltaTrak PDF 数据记录仪不会带来病毒风险

DeltaTrak PDF 数据记录器会感染计算机病毒吗?要回答这个问题,让我们根据计算机病毒的作用来了解一下什么是计算机病毒:1)它会将自身附着在计算机文件(即应用程序、文档和程序)上;2)一旦打开,它就会向计算机发出一系列指令;3)它会复制自身;4)它会携带恶意功能,例如更改/破坏文件或访问密码。我们可以看到,计算机病毒在很大程度上是由其功能所决定的。

如前所述,病毒只能附着在位于物理内存中的文件上。随机存取存储器 (RAM) 和硬盘驱动器就是物理内存的例子。RAM 首先用于存储计算机文件。一般来说,病毒会通过以下五种途径进入你的电脑:1) 打开受感染的电子邮件附件;2) 访问受感染的网站;3) 打开包含一系列恶意指令的文件;4) 查看受感染的广告;5) 使用受感染的存储设备,如 USB 闪存驱动器、CD 或 DVD。当计算机感染病毒时,会出现以下迹象:性能异常缓慢、弹出窗口更频繁、密码更改不主动、开机时启动不熟悉的程序。

让我们来看看为什么 DeltaTrak PDF 数据记录器不会感染计算机病毒。简单地说,DeltaTrak PDF 数据记录仪不会感染病毒的原因在于它们不使用 物理内存。它们使用的是 虚拟内存模拟内存。虚拟内存/模拟内存是如何工作的?使用虚拟内存时,PDF 记录仪中的文件在用户打开之前并不实际存在。打开文件后,PC 会读取该文件,并通过记录仪编程的一系列指令对其进行动态组装。这一过程被称为 “即时创建”,是 DeltaTrak PDF 记录仪所用处理器的独特之处。记录仪创建的文件内容无法从外部更改(如病毒),因为文件内容在 PC 读取之前并不存在。因此,病毒无法附着在 DeltaTrak PDF 数据记录仪报告上。

某些 DeltaTrak 竞争对手销售内置闪存芯片的记录仪。由于闪存被视为物理内存,就像硬盘驱动器一样,因此可能会带来严重的病毒感染风险。

概括地说,计算机病毒是一组指令,一旦打开,它就会附着在文件上,以执行恶意功能。为了实现这一目的,它必须附加到位于物理内存中的文件。由于 DeltaTrak PDF 数据记录器使用的是 虚拟内存,因此它不会受到病毒感染,也就不会对用户的系统构成威胁。

如果您想了解有关此主题或其他 DeltaTrak 数据记录仪的更多信息,请联系您的专业销售人员或拨打 800-962-6776 分机 5120 联系技术支持。

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DeltaTrak PDF 数据记录仪不会带来病毒风险 | DeltaTrak China