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Input Devices
A mouse is an input device that a computer user pushes across a desk surface in order to point to a place on a display screen and to select one or more actions to take from that position. The mouse first became a widely used computer tool when Apple Computer made it a standard part of the Apple Macintosh.Β
A keyboard is an input device used to enter characters and functions into the computer system by pressing buttons, or keys. It is the primary device used to enter text.Β (Did you know that typing is a competitive sport?)
A joystick is a controlling device that is used to operate objects in the machine by operational process or moving at different angles. The movement of the cursor in the machine is operated by the lever in the joystick and it helps to make alignment with the stick and base.Β
barcode scanners are used to capture product information so that it can be added to the customer's purchase total.Β
A webcam is a video camera which is designed to record or stream to a computer or computer network. They are primarily used in video telephony, live streaming and social media, and security. Webcams can be built-in computer hardware or peripheral devices, and are commonly connected to a device using USB or wireless protocols.Β
A Trackball is a ball that is mounted usually in a computer console so as to be only partially exposed and that is rotated to control the movement of a cursor on a display.Β
A graphics tablet (also known as a digitizer, digital graphic tablet, pen tablet, drawing tablet, external drawing pad or digital art board) is a computer input device that enables a user to hand draw or paint images, animations and graphics, with a special pen-like stylus, similar to the way a person draws pictures with a pencil and paper by hand.Β
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