I have nothing against instructors using the name of a military unit to sell either their own hand-to-hand combat system or one that is used effectively by that unit. Not at all. For the most part, I see this as a marketing thing and each instructor/author has to make decisions on that front.
If you want to connect a USB device to an HDMI device then you must use a converter box. This is a set of electronics that change the protocols and signals. The only adaptor which works is the DVI-HDMI ones.
The USB to PS2 Converter is the best solution for those who want to use legacy PS2 devices on new USB systems. It allows you to connect a PS2 mouse and keyboard through the USB port on any computer.Now you can enjoy using your keyboard and mouse connected to the USB-PS/2 adapter as an USB compatible device.1  USB Connector: Type A.he USB to PS2 Converter is the best solution for those who want to use legacy PS2 devices on new USB systems. It allows you to connect a PS2 mouse and keyboard through the USB port on any computer.