# Introduction to Input and Output Devices Input and output (I/O) devices are components that allow a user to interact with a computer. They are necessary for a user to communicate with the system, receive feedback, and perform tasks. Input devices allow a user to enter information into the system and output devices allow the user to receive information from the system. Examples of input devices include keyboards and mice, while examples of output devices include monitors and printers. The purpose of I/O devices is to enable people to interact with computers in a more efficient and user-friendly way. These devices can be used to input and output data, instructions, and other types of information. Input devices include keyboards, mice, scanners, microphones, and touchscreens, while output devices include monitors, printers, speakers, and projectors. Input devices convert data and instructions given by humans into a format that the computer can understand. They can also be used to enter commands into the system, as well as to control the system. Output devices are used to display the results of the data processing done by the computer. They can also be used to display graphics, audio, and video. In addition to the traditional input and output devices, there are also a variety of specialized devices available. These include game controllers, GPS receivers, webcams, and biometric scanners. These devices are used to either input or output data in a specific format. Using I/O devices, users can interact with computers in a more efficient and user-friendly way. By using the right combination of input and output devices, users can easily enter and access data, as well as receive feedback from the system. I/O devices also make it possible for users to control the system and perform tasks.

### Input Devices Input devices are devices that allow a user to enter data into a computer system. Examples of input devices include: * Keyboard * Mouse * Touch Screen * Scanner * Microphone * Camera ### Output Devices Output devices are devices that provide a user with processed data from a computer system. Examples of output devices include: * Monitor * Printer * Speakers * Projector * Headphones