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Disadvantages
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Requires screen-sized memory array
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Discrete spatial sampling (pixels)
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Moire patterns result when shadow-mask and dot-pitch frequencies
are mismatched
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Convergence (varying angles of approach distance of e-beam across
CRT face)
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Limit on practical size (< 40 inches)
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Spurious X-ray radiation
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Occupies a large volume
Advantages
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Allows solids to be displayed
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Leverages low-cost CRT H/W (TVs)
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Whole Screen is constantly updated
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Bright light-emitting display technology
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