Optical mice are the de facto standard for mice to communicate between the end user and the computer. The optical mouse is a great improvement of the mechanical mouse that was created in the early 1970s. Agilent Technologies introduced the Optical mouse in 1999. The technology uses a tiny camera that takes thousands of pictures …
A pointing device is any piece of hardware that is used to allow a user to input spatial data to a computer. By moving a mouse, pen or a finger around, a user can implement movements and changes on the computer screen. The most common type of pointing device is the mouse and the arrow. …
A flatbed scanner is a device that is able to scan a document and then convert what it has read into digital information. Flatbed scanners are different from other types of scanner because flatbed scanners allow the user to simply lay the document down on the machine, close the lid, and scan both sides of …