An error-detection code can be used to detect errors during transmission. The detected error can not be corrected, but its presence is indicated. The usual procedure is to observe the frequency of errors. If errors occur so often so as to distort the meaning of the received information, the system is check for malfunction.
Data centres are becoming an increasing problem for the IT industry. They take up a lot of physical space, they use a lot of energy and they’re not particularly environmentally friendly. They are, however, essential to business, so over the last few years IT companies have been frantically trying to come up with innovative, cost effective and energy efficient solutions to the thorny issue of data centres.