Difference between Input and Output device
Difference between Input and Output devices Input Device Data and instructions are entered into a computer through input devices. An input device first converts desired input data and instructions into a suitable binary form (i.e., 0 & 1) and then feeds it into the CPU. The commonly used input device is the keyboard. A number of other input devices have been developed that do not require typing. These are Mouse Joystick Trackball Light pen Graphic tablet Touch screen The above listed devices permit the user to select an image on the computer screen by pointing to it. Therefore, these devices also called pointing devices. Voice input system have also been developed. A microphone is used as an input in such devices. In applications, where computers with vision are required, namely robots and compute based security system, computer use optical and semiconductor devices that are sensitive to light. Such input devices produce ...