What kind of TV is this?

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What kind of TV decides that they don't have the input option on menu, and to go along with that, it's not on the remote either. Now, here's the thing: There is no input. There's only TV. Not Input1 or 2. Only TV. Think of it like this: My TV has no place for the wires that are yellow white and red to go in. It's a BIG TV. But, it doesn't have that! Instead, you have to hook up a cable box and plug it in from there and decide to change the channel from 3 or 4 on the cable box.

Grrr.... I should have THREE of inputs right now. Whyyy.