2. In your own words explain the advantages and disadvantages of CRT and LED monitors.

LED monitors give a high-quality image with vibrant colors and viewing comfort. LCD monitors are unable to display black and white image while LED monitors are capable of producing true black hues. It consumes less electrical energy than CRT and LCD monitors as a cold cathode fluorescent lamp is embedded in the panel.

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Advantages:CRT

The primary advantage that CRT monitors hold over LCDs is color rendering. The contrast ratios and depths of colors displayed on CRT monitors are better than what an LCD can render. For this reason, some graphic designers use expensive and large CRT monitors for their work . Advantages and Disadvantages :LED monitors Lighter in weight with respect to screen size. Energy efficient because of lower power consumption. Brightness range is too much wider produce very bright images due to high peak intensity. Disadvantages: CRT big back and take up space on a desk.

Not suitable for very brightly environment because less bright than LCD.

They are large, heavy and bulky.

Consume a lot of electricity and also produce a lot of heat.

Geometrical error at edges.

Flickering at 50-80 Hz.

Harmful DC and AC electric and magnetic fields.