If you want to get some input from the user, my God I don't want to have to program it to low level zero and 1 just to get keys from the keyboard; please let there have been someone who does that for me and indeed there are an increasingly sophisticated options that you can pull off the shelf.

如果你想获得一些用户的输入数据，我的上帝,我可不希望在键盘上敲入0，1的低水平方式来编程;,希望有个人能帮我做这件事吧,但是现有的选择,也变得日益复杂了。

哈佛公开课 - 计算机科学课程节选

If we grow biofuels in ways that require very low input of fossil energy to grow them, which we can do, let's say, if we grow things like perennial plants where we don't need to plant them every year.

NPR: Biofuels and Food Prices

But for the researchers, the board is simply another interesting low-cost input device for enabling new user interactions, says Matthieu Deru.

CNN: Getting to grips with Google Earth

My offer is very simple, which I will restate: I ask you to repeat the March 29, 2011 demonstration purported to show that your E-CAT unit had an output power of many times the input power through LENR (low energy nuclear reactions).

FORBES: E-Cat Proof Challenge: $1,000,000 is a "Clownerie"? (Updated)