Common input devices include keyboards, mice, scanners, etc.; common output devices including monitors, printers, plotters, etc..
1, keyboard
Keyboard is used to operate computer equipment running a command and data input device, but also part of the composition of the keyboard instrument. There are many types of keyboards, including wired and wireless keyboards, which send commands to a computer by entering letters, numbers, and other characters into the computer.
2, the mouse
The mouse is an external input device of the computer, but also the computer display system vertical and horizontal coordinates of the positioning of the indicator. Mouse is divided into wired mouse and wireless mouse, through the mouse pad or desktop to move the mouse and click the button, you can send a variety of instructions to the computer.
3, scanner
Scanner is a device to capture images, pictures or documents can be converted into a digital format that the computer can handle. There are different types of scanners such as flatbed scanners and drum scanners, which can be used for a variety of purposes such as photo restoration and document conversion.
4, monitor
Monitor is the computer's I/O device, that is, the output device. It is a display tool that displays certain electronic files to the screen through a specific transmission device. Monitors can be categorized into different types such as cathode ray tube displays (CRT), plasma displays (PDP), and liquid crystal displays (LCD), which can be used to display a wide range of content such as text, images, and video.
5, printer
Printer is an output device, the results of computer processing can be printed into written form. Printers can be divided into laser printers, inkjet printers and thermal transfer printers and many other different types, can be used to print text, images and other kinds of content.
6, plotter
Plotter is an output device that can be used to output graphs, charts or maps and other types of visual representations. Plotters can be categorized into many different types such as pen plotters, inkjet plotters, and laser plotters, and can be used to draw various types of graphics and images.