Keyboard Interface Experiment 1, to understand the structure of the IO port 2, familiar with the keyboard program principles 3, master the use of the keyboard.

键盘接口实验1、了解IO口的结构；2、熟悉键盘的程序原理；3、掌握键盘的使用。

youdao

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

Now get int *y so now I'll use the board for things I can't really draw very well with the keyboard so what does the memory of my program look like at the moment?

现在，=，int，*y，现在我使用黑板,我用键盘画的不是很好,那么此刻，我程序中的内存看起来像什么？

哈佛公开课 - 计算机科学课程节选

And most of these commands you don't actually need but this little caret symbol means control, so every keyboard these days has a control key so you hold that and hit X for instance to exit the program.

这里大多数命令你们都用不着,这个小插入符意味着控制，每个键盘都有一个控制键,譬如，当你敲入X时，就退出这个程序。

哈佛公开课 - 计算机科学课程节选

For instance, you can perform a keyboard or mouse function, launch a program, switch profiles or even tweak settings on another connected Razer product (like a standalone gaming mouse).

ENGADGET: Razer Blade review (late 2012)

The couple were struck by the need for such a product when Miri observed the problems her professor at Pratt (who has a hook replacement for a missing forearm) had while trying to use an animation program with many different menus, which required shifting between the keyboard and the mouse.

FORBES: The Importance of 'Pivoting'

Emotiv sells a variety of software including a package of popular games like "Call of Duty" and "World of Warcraft" that are optimized for the company's headset, as well as a program designed to let users control a computer with thoughts instead of a mouse or keyboard.

WSJ: Mind-Controlled Videogames Become Reality