CEDIA ESPA EST Practice Test

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.