Computer mouse

Many mice have two buttons and a scroll wheel.

A computer mouse is an input device that is most often used with a personal computer. Moving a mouse along a flat surface can move the on-screen cursor to different items on the screen. Items can be moved or selected by pressing the mouse buttons (called clicking).[1]

It is called a computer mouse because of the wire that connects the mouse to the computer. The people who designed the first computer mice thought that it looked like the tail on a mouse. Today, many computer mice use wireless technology and have no wire.

References

  1. ↑ http://foldoc.org/mouse Mouse at free on-line dictionary of computing
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