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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 the Quantization error of an ADC. Ans. Quantization error- An analog voltage is within the range of 0 to 1V and for 3 bit output, the size of all intervals are
Q. Show the Comparison of ASCII and EBCDIC? EBCDIC is an easier to employ code on punched cards due to BCD compatibility. But ASCII has some of major benefits on EBCDIC. These
(a) What do you meant by an Expert System (ES) and explain briefly the essential differences between a Decision Support system and ES. (b) What are decision tables and what are
Explain briefly the function of different layers which are covered under end to end layer connectivity. Different layer are as follows: 1. Transport Layer: This is res
What is SISD? Single Instruction stream, Single Data stream (SISD) shows the organization of a single computer having a control unit, a processor unit, and a memory unit. Inst
Show that we can represent pairs of nonnegative integers using only numbers and arithmetic operations if we represent the pair a and b as the integer that is the product 2a3b. Give
And-Introduction: In generally English says that "if we know that a lot of things are true, so we know that the conjunction of all of them is true", then we can introduce conj
Define Process. Process: It is a program in execution; process execution should progress into sequential fashion. Process contains: program counter stack dat
What is a Metadata? Metadata is information about a PE. In COM, metadata is communicated by non-standardized type libraries. In .NET, this data is contained in the header port
What are the various mechanisms for implementing I/O operations? a) Program controlled I/O b) Interrupts c) DMA
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