Pulmonary contusions are commonly associated with flail chest and that can lead to respiratory failure. This is due to the paradoxical motions of the chest wall from the fragments interrupting normal breathing and chest movement.
In computer architecture, a bus (a contraction of the Latin omnibus) is a communication system that transfers data between components inside a computer, or between computers. This expression covers all related hardware components (wire, optical fiber, etc.) and software, including communication protocols.
1 The address bus (sometimes called the memory bus) transports memory addresses which the processor wants to access in order to read or write data. 2  It is a unidirectional bus. 3  The data bus transfers instructions coming from or going to the processor. 4  It is a bidirectional bus.