The half-noble (three shillings and four pence = 40 pence) and, two years later, the quarter-noble of one shilling and eight pence (20 pence) were also issued. These new coins were of the correct weight for the values assigned to them.
Both definitions of AFE refer to money a business or other organization spends, but that is where the similarity ends. An authorization for expenditure must be followed up by an actual cost accounting, as a project may come in under or over the authorized budget.
power usage effectiveness (PUE) Power usage effectiveness (PUE) is a metric used to determine the energy efficiency of a data center. PUE is determined by dividing the amount of power entering a data center by the power used to run the computer infrastructure within it.