220-801 · Question #897
Which of the following adapter types uses a 7-pin cable to transmit video signals?
The correct answer is B. S-Video. S-Video (Separate Video) uses a 7-pin or 4-pin connector to transmit video by separating the luminance (Y) and chrominance (C) signals.
Question
Options
- ARGB
- BS-Video
- CHDMI
- DDVI
How the community answered
(48 responses)- A6% (3)
- B90% (43)
- C2% (1)
- D2% (1)
Why each option
S-Video (Separate Video) uses a 7-pin or 4-pin connector to transmit video by separating the luminance (Y) and chrominance (C) signals.
RGB (component video) uses three separate cables or a multi-pin connector to carry red, green, and blue signals, not a 7-pin single connector.
S-Video connectors come in 4-pin and 7-pin variants, with the 7-pin version adding support for composite and component signals in addition to the standard separated Y/C signals. The 7-pin S-Video connector is a round DIN-style plug and is uniquely associated with this video standard.
HDMI uses a 19-pin connector and transmits uncompressed digital audio and video, not a 7-pin analog cable.
DVI connectors use a larger multi-pin layout (up to 29 pins depending on type) for digital or analog video, not a 7-pin design.
Concept tested: S-Video connector pin count and signal type
Source: https://www.comptia.org/certifications/a
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