A monitor is an electronic display device that shows visual output from a computer or other devices. It typically consists of a screen, which can be made of technologies like LCD or LED, and is used to present images, videos, and text. Monitors come in various sizes and resolutions, affecting the clarity and detail of the displayed content. Monitors connect to computers through various ports, such as HDMI, DisplayPort, or VGA. They can also have additional features like built-in speakers, adjustable stands, and touch capabilities. Monitors are essential for tasks like gaming, graphic design, and everyday computing.