Hi, I'm Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨 我是Carrie Anne，欢迎收看计算机科学速成课

Today, let's start by thinking about how important vision can be.
今天 我们来思考视觉的重要性

Most people rely on it to prepare food,
大部分人靠视觉来做饭阅读全文→

Hi, I'm Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne，欢迎收看计算机科学速成课！

As we've touched on many times in this series,
我们之前说过 N 计算机很擅长存放，整理，获取和处理大量数据

computers are incredible at storing, organizing,
我们之前说过 N 计算机很擅长存放，整理，获取和处理大量数据阅读全文→

Hi, I'm Carrie Anne, and welcome to CrashCourse Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne，欢迎收看计算机科学速成课！

Over the past two episodes, we’ve talked a lot about computer security.
在过去两集，我们聊了很多计算机安全话题

But the fact is, there’s no such thing as a perfectly, 100% secure, computer system.
但事实是 世上不存在100%安全的系统阅读全文→

Hi, I’m Carrie Anne, and welcome to CrashCourse Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne，欢迎收看计算机科学速成课！

Last episode, we talked about the basics of computer security,
上集我们讲了计算机安全的基础知识，

principles and techniques used to keep computer systems safe and sound.
包括各种原则和技术阅读全文→

Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne \N 欢迎收看计算机科学速成课！

Over the last three episodes, we’ve talked about how computers have become interconnected,
过去3集 我们讲了计算机如何互连

allowing us to communicate near-instantly across the globe.
让我们能瞬时跨全球沟通阅读全文→

Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science.
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne N 欢迎收看计算机科学速成课！

Over the past two episodes, we’ve delved into the wires, signals, switches, packets,
前两集我们深入讨论了电线 信号 交换机 数据包 N 路由器以及协议，它们共同组成了互联网.

routers and protocols that make up the internet.
前两集我们深入讨论了电线 信号 交换机 数据包 N 路由器以及协议，它们共同组成了互联网.阅读全文→

Hi, I’m Carrie Anne, and welcome to CrashCourse Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne \N 欢迎收看计算机科学速成课！

As we talked about last episode, your computer is connected to a large, distributed network,
上集讲到，你的计算机和一个巨大的分布式网络连在一起

called The Internet.
这个网络叫互联网阅读全文→

Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne，欢迎收看计算机科学速成课！

The internet is amazings
互联网太棒啦

In just a few keystrokes, we can stream videos on Youtube -- Hello!
键盘敲几下就能在 Youtube 直播--哈喽！阅读全文→

Hi, I'm Carrie Anne, and welcome to Crash Course Computer Science!
嗨，我是 Carrie Anne \N 欢迎收看计算机科学速成课！

Over the past five episodes,
在过去五集

we've worked up from text-based teletype interfaces to pixelated bitmapped graphics.
我们从基于电传打字机的命令行界面 \N 讲到图形怎么显示到屏幕上阅读全文→

Hi, I'm Carrie Anne, and welcome to CrashCourse Computer Science!
(｡･∀･)ﾉﾞ嗨 我是 Carrie Anne 欢迎收看计算机科学速成课

We ended last episode with the 1984 release of Apple's Macintosh personal computer.
我们上集最后 \N 谈了苹果在1984年发布的 Macintosh

It was the first computer a regular person could buy with a graphical user interface
这是普通人可以买到的 \N 第一台带图形用户界面的计算机阅读全文→

Hi, I'm Carrie Anne, and welcome to CrashCourse Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne \N 欢迎收看计算机科学速成课！

As we discussed last week, the idea of having a computer all to yourself a personal
上周说过"个人计算机"的概念 \N 在计算机发展的头 30 年难以想象

computer was elusive for the first three decades of electronic computing.
上周说过"个人计算机"的概念 \N 在计算机发展的头 30 年难以想象阅读全文→

Hi, I'm Carrie Anne and welcome to Crash Course Computer Science.
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne \N 欢迎收看计算机科学速成课！

Early in this series we covered computing history
之前介绍了计算机历史 \N 从人类文明的曙光开始 (第1集）

From roughly the dawn of civilization,
之前介绍了计算机历史 \N 从人类文明的曙光开始 (第1集）阅读全文→