What are the computer input devices and output devices
Input devices in computers are keyboards, mice, cameras, scanners, light pens, handwriting input boards, joysticks, voice input devices and so on. Input devices are devices that input data and information to the computer, is the bridge of communication between the computer and the user or other devices, is one of the main devices for information exchange between the user and the computer system. Output devices in computers include monitors, image output systems, magnetic recording devices, printers, voice output systems, plotters, etc. The task of the input device is to transport data, instructions and certain sign information, etc. to the computer.
Demonstration model: Huawei MateBookX System version: win10
1, the input devices in the computer are keyboard, mouse, camera, scanner, light pen, handwriting input board, joystick, voice input device and so on. Input devices are devices that input data and information to the computer, is the bridge of communication between the computer and the user or other devices, is one of the main devices for information exchange between the user and the computer system.
2, computer output devices in the monitor, image output system, magnetic recording devices, printers, voice output system, plotter and so on. The task of the input devices is to transport data, instructions and certain sign information, etc. to the computer.
1, show the time of the notepad: open the notepad program, type “LOG”, record the work matters. After closing and saving, the program automatically records the modified time.
2. Recover the webpage closed accidentally: Press “CTRL”, “SHIFT”, “T” at the same time to quickly recover the current webpage.
3, program switching: dealing with too many tasks often need to frequently click the mouse to switch programs, you can press “windows” “TAB” to achieve 3D switching effect.
4, windows screenshot tool: press win + r key, bring up the run menu, type “SnippingTool”, you can open the screenshot tool.
5, keyboard failure to call out the virtual keyboard: Win + r key to enter osk, the screen appears virtual keyboard and synchronized with the physical keyboard.
What are the computer input and output devices
Input: keyboards and mice, joysticks, light pens; cameras, scanners, fax machines.
Output: monitor, printer, sound.
Console typewriters, keyboards, light pens, monitors, etc. can be used as both input and output devices.
Today’s computers can receive a variety of data, both numerical data, but also a variety of non-numerical data, such as graphics, images, sound, etc. can be input to the computer through different types of input devices, storage, processing and output. Computer input devices can be divided into the following categories according to their functions:
● Character input devices: keyboards;
● Optical reading devices: optical mark readers, optical character readers;
● Graphic input devices: mice, joysticks, light pens;
● Image input devices: video cameras, scanners, facsimiles;
● Analog input devices: linguistic analog-to-digital converters;
● Analog input devices: language analog-to-digital converters, analog-to-digital converters, and analog-to-digital converters. Analog input devices: language analog-to-digital conversion recognition systems.