Windows Vista. Windows Task Manager has been updated in Windows Vista with new features, including: A Services tab to view and modify currently running Windows services and start and stop any service as well as enable/disable the User Account Control (UAC) file and registry virtualization of a process.
arithmetic mean. (Är'Ä­th-mÄt'Ä­k) The value obtained by dividing the sum of a set of quantities by the number of quantities in the set. For example, if there are three test scores 70, 83, and 90, the arithmetic mean of the scores is their sum (243) divided by the number of scores (3), or 81. See more at mean.
1. (Mathematics) the branch of mathematics concerned with numerical calculations, such as addition, subtraction, multiplication, and division. 2. (Mathematics) one or more calculations involving numerical operations. 3. (Mathematics) knowledge of or skill in using arithmetic: his arithmetic is good. adj.