Display COmponents

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• Monitors are available in different types, sizes, and characteristics. When purchasing a new computer, the monitor may have to be purchased separately.
• Understanding the characteristics of a good monitor will help determine which is best suited for a specific system.
• The following terms relate to monitors.
• Pixels are picture elements, Dot pitch, refresh rate, Color depth, Video RAM (VRAM)
• Resolution varies based on the number of pixel
• Monitor screen sizes are measured in inches, just like televisions. The most common sizes are 14", 15", 17", 19", and 21" screens
• Most PCs display many colors on the screen. A summary of the most commonly used color depths:

1. 256 colors (8-bit color)
2. 65,536 colors (16-bit color, also called 65K or HiColor)
3. 16 million colors (24-bit color, also called True Color)
4. 4 billion colors (32-bit color, also called True Color)

• The video card or video adapter is the interface between the computer and monitor.
• The video card tells the monitor which pixels to light up, what color the pixels should be and the intensity of the color.
• The display capabilities of a computer depend on both the video adapter and the monitor.