Multiple choice general knowledge science & technology

Expand "PAL"(Video Std).

  1. Phase Alternating Lines

  2. Portion Alternating Lines

  3. Phase Alerting Lines

  4. Phase Alteration Lines
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

PAL (Phase Alternating Line) is a color encoding system for analog television. Option A incorrectly uses 'Lines' (plural), B uses 'Portion' instead of 'Phase,' and C uses 'Alerting' instead of 'Alternating.' The standard form uses singular 'Line.'

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