Extra exam question E2B02
Subelement E2, OPERATING PROCEDURES· Group E2B
E2B02
How many horizontal lines make up a fast-scan (NTSC) television frame?
- A.30
- B.60
- C.525 (correct answer)
- D.1080
WhyA fast-scan NTSC television frame is made up of 525 horizontal lines. A standard NTSC fast-scan television frame is made up of 525 horizontal lines, split across two interlaced fields, answer C. 30 and 60 are frame and field rates per second respectively, not line counts, and 1080 is a line count from HD video standards, not NTSC.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2024-2028 NCVEC Element 4 pool (public domain); the explanation above is original writing, see our methodology.
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