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OLAP can process difficult queries and give the output in less than 0.1 seconds, for it to achieve like performance OLAP uses aggregations. Aggregations are built by aggregating and changing the data with the dimensions. Possible combination of aggregations can be determined by the combination possibilities of dimension granularities.
What is time slicing? With this technique each program runs for a short period known as a time slice, and then another program runs for its time slice and so on.
Software Estimation The statement of scope helps the planner to established estimates using one or more method which fail into two wide categories: empirical modeling and decom
What is Demand paging? Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a
definf memory operation
a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can be foun
Define underflow and overflow. Underflow: If the result the arithmetic operation including n-bit numbers is too small to show by n-bits, underflow is said to occur. Overflow
Channel means logical communication link. There are two parts of channels a) Message channel, b) MQI channel 1) Mesage channel use for communication among QMgr to Q
Define synchronous bus. Synchronous buses are the ones in which every item is transferred during a time slot(clock cycle) known to both the source and destination units. Synchr
#what is nicol prism.its construction and working
Explain 100 line exchange with selector finder. Design: In place of 100 two-motion selectors as in the case of Design 3, suppose we consider only 24 two-motion selectors. Whe
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