220-801 Question #1087: Real Exam Question with Answer & Explanation

The correct answer is C: VGA to DVI. VGA (Video Graphics Array) outputs an analog signal. DVI-D carries a digital signal. A VGA to DVI adapter must perform analog-to-digital (A/D) conversion to bridge these two standards. S-Video to RCA is analog to analog - no conversion. HDMI to VGA converts digital (HDMI) to anal

Question

Which of the following adapters converts an analog signal to a digital signal?

Options

AS-Video to RCA
BHDMI to VGA
CVGA to DVI
DDVI to HDMI

Explanation

VGA (Video Graphics Array) outputs an analog signal. DVI-D carries a digital signal. A VGA to DVI adapter must perform analog-to-digital (A/D) conversion to bridge these two standards. S-Video to RCA is analog to analog - no conversion. HDMI to VGA converts digital (HDMI) to analog (VGA), which is the opposite direction. DVI to HDMI is digital to digital - DVI-D and HDMI share the same underlying digital signal format and only require a passive adapter. Therefore, VGA to DVI is the only option that converts analog to digital.

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