You may recognize the RS-232 serial port on your TV, but do you know all that it can do? It's probably more than you realized ...

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You might have a nine-pin port on the back of your TV, known as an RS-232 serial port, or sometimes just a serial port. This same type of port is commonly used to connect a computer to a printer, but ...

Before USB standardized how we connect devices, computers were a tangle of incompatible ports. Here are the ones that USB ...

That mysterious port on your TV labeled "Service Only" isn't there by accident. What it actually does, and whether you can use it yourself, is worth knowing.