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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.
Explained RAID? Ans: High performance devices tend to be costly. So we can gain very high performance at a reasonable cost using a number of low-cost devices operating in paral
The situation when both transmitter and receiver have to work in tandem is referred to as? The situation while both transmitter and receiver have to work into tandem is termed
Automatic typewriter : It is a power-driven machine, which automatically types a standard pro forma from a previously punched or stencilled master. When the master is placed on th
Define bus A group of lines that serves as a connecting path for various devices is known as a bus.
What are different normalization forms? 1NF: Eliminate Repeating Groups Make a separate table for every set of related attributes, and give each table a primary key. Each fie
What is CMP instruction Comparison instruction (CMP) is a subtraction that changes only the flag bits; destination operand never changes. A comparison is useful for checking th
What are the two aspects of locality of reference? Define them. Two aspects of locality of reference are temporal aspects and spatial aspect. Temporal aspect is that a r
CMOS circuits are extensively used for ON-chip computers mainly because of their extremely ? Ans. Since CMOS circuits have large packing density, so these are extensively use
General Concepts of links and association A link is a conceptual or physical connection among objects for instance. Mathematically, you can define a link as a tuple which is a
What are the types of parameters in the function modules? In general, function module can have four types of parameters: EXPORTING : for passing data to the called function
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