Definition, Usage and a list of Quatrain Examples in literature. A quatrain is a verse with four lines, or even a full poem containing four lines, having an independent and separate theme. Often one line consists of alternating rhyme. It exists in a variety of forms.
The other end of the USB cable may have different connectors including USB-B (a square connector commonly used with printers, external hard drives, and larger devices) or smaller connectors such as the Mini-USB and Micro-USB that are commonly used with portable devices such as media players and phones.
Type A and Type B Ports. All USB devices have sockets, and all the cables have plugs. Host sockets are Type A, and peripheral sockets are B, Mini-B or Micro-B. For expansion, hubs have a B or Mini-B socket to connect to the computer and several Type A sockets for devices (see USB hub).