Keyboard

A computer keyboard is one of the primary input devices used with a computer. Similar to an electric typewriter, a keyboard is composed of buttons that create letters, numbers, and symbols, and other functions. The following sections provide more in-depth information and answers to some of the more frequently asked questions about the keyboard. What are the keyboard rows? The horizontal rows of keys are...

Computer mouse

A computer mouse is a handheld hardware input device that controls a cursor in a GUI (graphical user interface) and can move and select text, icons, files, and folders on your computer. For desktop computers, the mouse is placed on a flat surface (e.g., mouse pad or desk) in front of your computer. The picture is an example of a desktop computer mouse with two buttons and a wheel. Who...