A monitor is the essential device for displaying visual output from a computer. It allows users to see and interact with the content generated by the computer’s graphics hardware. Monitors come in various sizes and resolutions, including HD, 4K, and ultrawide formats, which enhance the visual experience for gaming, graphic design, and everyday tasks. Modern monitors often include features like refresh rates, color accuracy, and connectivity options such as HDMI and DisplayPort. They are a fundamental component of any computer setup, facilitating user engagement.