Which statement describes 4K relative to HD?

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Multiple Choice

Which statement describes 4K relative to HD?

Explanation:
Doubling both horizontal and vertical dimensions defines 4K relative to HD. HD is typically 1920×1080, while 4K (UHD) is 3840×2160, so the width doubles (1920 to 3840) and the height doubles (1080 to 2160). This yields four times as many pixels in total. The frame-rate idea isn’t fixed by resolution, so claiming twice the frames per second isn’t correct. The other statements misstate the resolution or the relationship, so the description of doubling both dimensions best matches how 4K relates to HD.

Doubling both horizontal and vertical dimensions defines 4K relative to HD. HD is typically 1920×1080, while 4K (UHD) is 3840×2160, so the width doubles (1920 to 3840) and the height doubles (1080 to 2160). This yields four times as many pixels in total. The frame-rate idea isn’t fixed by resolution, so claiming twice the frames per second isn’t correct. The other statements misstate the resolution or the relationship, so the description of doubling both dimensions best matches how 4K relates to HD.

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