General Question

AshlynM's avatar

Why do computers on tv have those wavy lines on them?

Asked by AshlynM (10684points) October 18th, 2011
5 responses
“Great Question” (2points)

The computers will have black/gray lines wavering on the monitor. Sometimes they’re darker in color, sometimes they’re lighter. I hope you understand my question.
I assume it has something to do with the camera? But why?

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Answers

Hibernate's avatar

You can see those by looking at your monitor with a camera or a very good photo camera.

XOIIO's avatar

Exactly what Tom said, it’s because they sync up.

Chreese's avatar

it is related to the refresh rate not synching up. Here is a detailed explanation:
http://electronics.howstuffworks.com/question336.htm

XOIIO's avatar

Eh, technically not syncing up, but it phases in and out

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