Selecting a screen
The most modern LCD monitors may have two or more HDMIs, or one HDMI and one DVI or DisplayPort—a much newer display standard). The Pi supports a single HDMI connection and a much more primitive composite video connection, neither of which can connect to VGA directly.
The Pi HDMI interface supports up to 1920 x 1200 pixels and provides the best possible desktop resolution. It may also support sound output over HDMI if the monitor includes speakers.
A composite video connection on the Pi can support up to 800 x 600 pixels depending on the monitor, most of which will typically only work at 640 x 480 pixels. However, a composite image could show some artifacts such as position errors or visible shading lines or bars. Composite monitors, ...
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