What drive interface is this?

What kind of drive interface is based on Western Digital’s Integrated Drive Electronics interface, and supports up to two physical drives on a single 40-pin or 80-pin interface?

Which SATA power should you use?

You’re installing a SATA drive into a computer, and you notice that the drive contains two different power connectors. One of the power connectors is the traditional four-pin “Molex” power connection, and the other is the newer SATA power interface. Which one of these power connections should be used for your hard drive installation?

What is a MIDI?

One of your friends needs a MIDI interface for his computer. What kind of device normally attaches to the end of a MIDI interface?