1K0-002 · Question #202
High Definition Video is best described as
The correct answer is C. Video signal that represents 720 lines of pixels, progressively scanned. See the full explanation below for the reasoning.
Question
High Definition Video is best described as
Options
- AVideo Signal that consists of luminance scan interlaced lines.
- BVideo Signal made up of 8X8 blocks of pixels.
- CVideo signal that represents 720 lines of pixels, progressively scanned.
- DVideo Signal made up of 40X40 macroblocks pixels.
How the community answered
(19 responses)- A16% (3)
- B5% (1)
- C74% (14)
- D5% (1)
Community Discussion
7
Nina C.Apr 12, 2026The answer is C, and here is why it makes sense once you break it down. High Definition Video is specifically defined by having at least 720 lines of pixels that are progressively scanned, meaning each frame draws every line in order from top to bottom rather than alternating odd and even lines like older interlaced formats do. Options B and D are describing compression artifacts, specifically the block structures used by codecs like MPEG, which is how video gets compressed, not what HD actually is. Option A describes interlaced scanning, which is actually the opposite of what makes HD progressive, so that one is easy to rule out once you remember that the "p" in 720p literally stands for progressive.
Fatima Z.Apr 14, 2026Exactly, and to never blank on the progressive vs. interlaced split again, just remember PPP, Progressive Paints Perfectly from top to bottom in one pass, while interlaced Alternates Awkwardly in two passes, giving you AAA for the wrong answer trap on the exam.
Toby R.Apr 29, 2026Saw this one and almost second-guessed myself because they throw in all the macroblock and 8x8 block stuff to trip you up, but HD is defined by that 720p progressive scan so C was the easy pick once I remembered to ignore the compression noise. The interlaced line option in A is more old-school broadcast territory, not what they mean when they say HD here.
Hiroshi T.Apr 20, 2026Option C is the floor, not the ceiling, but it is the only defensible answer here.
Nina C.Apr 23, 2026That's a good way to put it, and I'd just add that on exam day "defensible" is really all you need, even if a more complete solution would handle edge cases that the question isn't actually testing.
Fatima Z.Apr 3, 2026Think B all day, picture a chessboard sliced into 8x8 squares because that DCT block structure is the backbone of how HD video compression actually encodes the image, and my hook is "Eight by Eight, HD is Great" so that pixel block answer just clicks every time I see it.
Nina C.Apr 5, 2026Hey Fatima, I totally get why that mnemonic is sticky, but the 8x8 block is a DCT compression artifact, not the resolution standard, so the answer lands on C because HD is defined by the 1280x720 (or higher) pixel resolution, not by how the encoder slices the frame internally.