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CompTIA DHTI+ Practice Questions

Category - DHTI

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Which of the following characteristics of a video image does scaling set?

Bandwidth
Resolution
Color
Speed

Explanation

Answer - B - Scaling sets the resolution of a video image.

Key Takeaway: Video scaling is a technique used to convert video signals from one size or resolution to another. It is usually used to upscale a video signal from a low to a higher resolution. Video scaler is primarily a digital device. However, they can be combined with an ADC, or digitizer, and a DAC to support analog inputs and outputs.

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