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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.
Explain briefly how firewalls protect network. A firewall is simply a program or hardware device that filters the information coming by the Internet connection into your
What are the different methods used for handling the situation when multiple interrupts occurs? 1) Vectores interrupts 2) Interrupt nesting 3) Simultaneous Requests.
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Hello Sir/Mam, Actually i am trying to implement the concept of MAC layer protocols in NS2..... But unfortunately i am not able to do that.... and not even able to get the code fo
Explain briefly Loop-invariant code motion of the commonly used code optimization techniques. Loop-invariant code motion If a quantity is calculated inside a loop duri
The electro mechanical switch (developed in 1938) had fewer moving parts than earlier switches. (A) No. 1ESS (B) Strowger (
what are the different types of tablets?
Q. Show Division and multiplication operation? These operations can be represented as x + y = (N x × 2 Ex-Ey + N y ) × 2 Ey and x-y = (N x × 2 Ex-Ey -N y ) × 2 Ey
Q. What do you mean by Information System? An information system is an planned combination of hardware, people, communication networks, software and data resources that transfo
What is Machine Language? To write program for a computer we need to specify, directly or indirectly the sequence of machine instructions. These instructions inside computer
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