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"You think you've got your own computer all to yourself and you can't tell the difference that you're working on something other than a computer and sharing this other resource and doing it at a much lower cost than having your own PC."
VOA: special.2010.04.12
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>> They only use that when the program that you're running-- the program that you're referring to is going to your computer?
>它只有在你运行程序的时候才用到-,那你刚刚提到的程序,会到你的电脑上运行吗？
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By the way, when you go back to your computer, Google UNICEF, and you can give $100 to UNICEF within the hour.
顺便,当你使用电脑,用谷歌搜索联合国儿童基金会,你只需花一个小时,就能向联合国少儿基金会捐赠100美元
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One of the perhaps easiest ones to put your finger on is what if the computer is out of memory?
一个可能的情况是,计算机的内存不足？
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We were both wondering, you have this general purpose computer next to your ear why were you not able to make that sale?
我们都在想，你手边就有一台电脑,为什么你不能完成这次买卖？
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The CD-ROM makes it easy to utilize the computer in your classroom.
光盘使得在教室里,使用电脑变得容易。
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Okay. Now take your hand on a chair or your notebook, your computer or whatever, and do syncopation off of that according to this pattern.
好的,现在用手拍椅子,或者笔记本,电脑,随便什么,来按照这个模式做切分音
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Again, the size is of your pinky finger nail, all within the skin so you can just turn out your information to drive, for example a replaced arm or a computer screen.
这同样与手指甲那么大，因为放在皮肤下，所以你只要发出信息既可以驱动，诸如你的假肢或者电脑屏幕等。
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Now, if you guys are using your computer or you have a pen, I'd just like you to write down what your estimates are of a few foods I'll show you and see what you say.
使用你们的电脑,或者拿起支笔,请写下对以下我展示的一些食物,卡路里的估测,让我们看看结果
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up employing something called programming, the act of constructing, telling a computer to do your bidding.
你们会使用一种叫做程序设计的方法，或称之为构建，即让计算机去执行你的命令。
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So if you've ever done something bad like drop your laptop or smack your computer and you've never been told not to do this.
如果你以前做过类似的摔或拍打电脑,并且没有人告诉你不可以这样做。
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You can touch almost any part of memory in the computer systems that you want with your program, but do you want to?
通过你的程序，你可以触及到计算机系统,内存的任意部分，但是那是你想要的吗？
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So, an alternative to that that is incredibly common in just the programming world and in industry is to actually not write programs on your own personal computer but to actually write and run them on a server, someplace where the software is all standardized.
那么，在编程界和工业界普遍,使用的一个解决方案是,不在你自己的电脑上写程序,而是在服务器上编程运行，服务器上的软件都是标准化的。
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So in your mind, if you are now the computer program and you are executing this thing from top to bottom, what just has happened verbally is we are stepping into the line of code that says sort left half of elements.
在你们看来，如果你现在是计算机程序,正在从上到下执行一系列指令，刚才所发生的就是我们现在已执行到了这行代码,它告诉你要对左半部分的元素排序。
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But whatever your reason for being here this is in fact our introduction to Computer Science; and contrary to what you might have heard or seen or perceived in high school, odds are computer science is not quite what you imagined it to be.
但是不管你们来这儿的原因是什么,这门课介绍的都是计算机科学,可能与你们平时听到的看到的,或者在高中时所想象的恰好相反,计算机技术的优势完全不是你想象的那样。
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You're not going to start for the rest of your life if you ever need to solve a problem with a computer from scratch, odds are you're going to reach for some off the shelf packages or libraries or tools that other people wrote so that people like us don't have to reinvent the wheel again and again.
如果你想用Scratch来解决问题,却使用其他人写的程序,或者利用现成的资料或工具,这样以来,我们的确可以避免做重复性的工作,但却永远学不会编程。
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And if you've ever heard the word driver software that you install in your computer so that your computer, your operating system, Windows or Mac OS, knows how to talk to that piece of hardware, it's that driver software that then empowers the operating systems to send those commands as well, up, the data is laid out on the disk.
并且如果你听说过安装到,电脑中的驱动软件这个词的话，你的操作系统，比如Windows或者是苹果操作系统，通过这个驱动软件我们的电脑，才能知道如何与这个硬件进行通信,正是因为这个驱动软件，操作系统才能根据数据，左右移动的指令来读取磁盘里的数据。
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