Monday, May 13, 2019

Input and Output Devices Research Paper Example | Topics and Well Written Essays - 750 words

Input and Output Devices - Research Paper ExampleIt potful be called as a text based input device, as it allows the user to enter entropy in the form of alphabets, numbers and other such familiar characters. In addition to these keys, a keyboard alike contains special keys such as enter, space bar, function keys, etc which have a specific function delegate to them intended to make user experience easier (COMPUTER ORGANISATION).The mouse can be referred to as the most unremarkably used pointing device. Instructions are given to the computing machine by pointing the mouse pointer to a spot on the screen by moving the mouse. Common tasks that can be performed by the mouse include positioning the cursor on the screen, moving an icon, and selecting an object. After the onset of graphical user interfaces (GUIs), the mouse has perplex an indispensable tool in the computer human interaction.The joystick is a digital device, comprising of a stick that pivots around its base and move s the graphic cursor on the screen according to the motion of the stick. A firing serves as a clickable object on the joystick that can be used to select objects to which the graphic cursor is currently pointing to. Joysticks primarily find use as an input device in television receiver games, training simulators and robotic simulations.A light pen is a light sensitive input device, which functions very oft like an ordinary pen. It is used to select objects on the screen directly. These find use in computer graphics, animation, computer drawing and for easy selection of options from a menu. By moving the pen, a corresponding abide by or sketch can be recorded on the computer. Handwritten notes can be produced by using this device, which can be recognized using OCR technology and converted into computer text form.An fruit device is a computer peripheral that receives information to the computer and presents it to the user. Generally the output from the computer is displayed visua lly. A computer monitor displays

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