1 Echocardiography (echo) is a painless test that uses sound waves to create pictures of your heart.  This test gives your doctor information about the size and shape of your heart and how well your heart's chambers and valves are working.
USB was designed to standardize the connection of computer peripherals (including keyboards, pointing devices, digital cameras, printers, portable media players, disk drives and network adapters) to personal computers, both to communicate and to supply electric power.
Step 2. As Gabriel Torres explains in the tutorial, Connecting Two PCs Using a USB to USB Cable, a USB bridged cable (also called a USB networking cable) is a special type of USB cable which has two of the characteristic flat, rectangular connector ends matching the connectors in your computers.arnings. 1  Do not use ordinary USB cables. 2  Because the Universal Serial Bus is designed as a power source as well as for data transfer, using standard cables can result in damage to one or both computers. 3  Do not connect a USB bridged cable to a hub or router.