Input and output devices are two categories of computer peripherals that are used to interact with a computer and exchange information.
Input devices are used to input data and commands into a computer system. Some common examples of input devices include:
Keyboard: A keyboard is used to input text and commands into a computer.
Mouse: A mouse is used to point and click on objects on a computer screen, allowing users to interact with graphical user interfaces.
Scanner: A scanner is used to input printed documents or images into a digital format that can be stored on a computer.
Microphone: A microphone is used to input audio signals into a computer for recording, voice recognition, or other purposes.
Touchpad: A touchpad is a pointing device used in laptops and notebooks, allowing users to move the cursor on the screen by sliding their finger on a flat surface.
Output devices, on the other hand, are used to output data and information from a computer system to the user. Some common examples of output devices include:
Monitor: A monitor is an output device that displays the visual output from a computer system, including text, images, and videos.
Printer: A printer is an output device that produces hard copies of digital documents or images.
Speakers: Speakers are output devices that produce sound or audio output from a computer system.
Projector: A projector is an output device that projects images or videos onto a larger screen or surface, making it ideal for presentations or watching movies.
Headphones: Headphones are an output device that provide private audio output from a computer system, useful for listening to music or watching videos without disturbing others.
In summary, input devices are used to input data and commands into a computer system, while output devices are used to output data and information from a computer system to the user. Together, these devices form the backbone of human-computer interaction, allowing users to interact with and use computer systems for a wide variety of tasks and purposes.