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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.
Q. What do you mean by Lock Synchronization? Lock Synchronization: In this method contents of an atom are updated by requester process and sole access is granted before atomic
What factors influences the bus design decisions? 1. Data Location: Device selection, address of data with in device( track, sector etc) 2. Data transfer: Amount, rate to
Digital circuits also manipulate logicalexpressione.g. IF account is in credit THEN allow phoneto make calls.So a digital circuit must determine if somethingis TRUE or FALSE. Norma
What do you mean by data warehousing? Data warehouse implies as: a) It is subject oriented b) It is integrated and c) It is time variant d) It is non-volatile colle
Move the mouse pointer over the object you wish to drag, and then hold down the left mouse button. Whereas holding the mouse button, move the mouse pointer (and the object) to the
How are interrupt handled by the operating system? The fundamental interrupt mechanism works as follows: The CPU hardware has wire called the interrupt-request line which
Sometimes it is nice to place layers in groups. It makes them simple to organize when you have lots of them. It also means you can simply apply the similar effect to lots of layers
What is program-controlled I/O? In program controlled I/O the processor repeatedly checks a status flags to achieve the needed synchronization among the processor and an input
When a window is repainted by the AWT painting thread, it sets the clipping regions to the area of the window that needs repainting.
The usability and user experience goalsprovidet heinteraction designer with high-level goals for the interactivep roduct. Thenextissueis how to design a product that satisfies thes
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