How Computer Keyboards Work

With all the extras and options that are available for new computer keyboards, it's hard to believe that their design originated with mechanical typewriters. Now just look at all they can do!

How Computer Mice Work

The mouse might just be the computer user's best friend. Every day of your computing life, you reach out for your mouse whenever you want to move your cursor or activate something. Learn how this human-machine interface translates your movements into digital data.

How do optical mice work?

With the rise of the optical mouse, it appears that the venerable wheeled mouse is in danger of extinction. What makes an optical mouse better, and how does it work?

Why are the keys arranged the way they are on a QWERTY keyboard?

The QWERTY keyboard dates all the way back to the first typewriters. Why are the keys arranged this way, rather than alphabetically?