Input devices include keyboards, mice, cameras, scanners, light pens, handwriting input boards, joysticks, voice input devices, etc.
Output devices are monitors, printers, stereos, plotters, video output systems, voice output systems, magnetic recording devices, etc.
Some of the input devices and output devices are introduced:
1. Camera (CAMERA or WEBCAM), also known as computer camera, computer eye, electronic eye, etc., is a kind of video input device, which is widely used in video conferencing, telemedicine and real-time monitoring. Ordinary people can also talk and communicate with each other via webcam on the Internet with images and sound.
2, the mouse, a computer input device, but also the computer display system vertical and horizontal coordinates of the positioning of the indicator, because the shape of the mouse and named. Its standard name should be "mouse", the English name "Mouse", the use of the mouse in order to make the operation of the computer easier and faster, instead of the keyboard that cumbersome instructions.
3, the keyboard is used to operate the equipment operation of a command and data input devices, but also refers to the operation of a machine or device through the system arrangement of a set of function keys. Keyboard also forms part of a keyboard instrument, and can also refer to a musical instrument that uses a keyboard, such as a piano, a digital piano, or an electronic organ, etc. A keyboard helps to practice typing.
4, the printer (Printer) is the computer processing results printed on paper output device. People often refer to the output of the monitor as a soft copy, the printer's output is called hard copy. Computer output data will be converted into printed fonts of the device
5, the monitor (Display), also known as the monitor, is the realization of the main tools of human-computer dialogue. It can display the keyboard input commands or data, can also display the results of computer data processing. There are two main types of commonly used monitors. One is CRT monitor; the other is liquid crystal display.
6, automatic drawing machine is directly controlled by an electronic computer or digital signals, used to automatically output a variety of graphics, images and characters of the drawing equipment. Can be used online or offline mode of operation. Is a computer-aided drafting and computer-aided design is widely used in a peripheral device.