The Samsung-LN46B550-46-in. has four total HDMI inputs, with
three on the back and one on the side.
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Only HDTVs have HDMI cable inputs
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No laptops have built-in HDMI inputs. The HDMI connector on most
good laptops is an output, to allow you to connect to a external
monitor, projector or TV screen.
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You can't. HDMI is digital. RCA is analog (component or
composite).
In which field of psychology do scientists apply psychological principles and research methods to the workplace in the interest of improving productivity and the quality of work life