Data is everything, the quesiton you asked consisted of data. data is the entity on which programs written or work. like library systems it is student details, book details… on which program works. (MORE)
Answer** why stars don't shine! .
because our sun which also is a star, is hundreds of thousands of light years closer to us than the next nearest star. therefore its light… is also proportionately greater. and during the day it illuminates our atmosphere.
to a greater degree than the light from the other stars , the stars are still shining, you just can't see them any more because they're dimmer than the light which is being refracted into the atmosphere by the sun. this refracted light also gives the atmosphere its blue color which is brighter than star light..
you can kind of demonstrate this in a dark room by lighting a match, it will seem very bright, but if you flip on the light switch, it will seem very dim in comparison to the brighter light of an incadesant bulb. at night the earth blocks out the suns light from our atmosphere and allows the lesser light from the stars to be seen..
hope thus helps,*** keary*** (MORE)
data warehouse .
A data warehouse is the main repository of an organization's historical data, its corporate memory. It contains the raw material for management's decision …support system. The critical factor leading to the use of a data warehouse is that a data analyst can perform complex queries and analysis, such as data mining, on the information without slowing down the operational systems..
data mining .
The development of computational algorithms for the identification or extraction of structure from data. This is done in order to help reduce, model, understand, or analyze the data. Tasks supported by data mining include prediction, segmentation, dependency modeling, summarization, and change and deviation detection. Database systems have brought digital data capture and storage to the mainstream of data processing, leading to the creation of large data warehouses. (MORE)
factual information, often in the form of facts or figures obtained from experiments or surveys, used as a basis for making calculations or drawing conclusions..
Data is basi…cally a collection of numbers with no meaning. That data can then be arranged and interpreted to produce information. (MORE)
Data editing: Information altering is characterized as the procedure includingthe audit and alteration of gathered study information. Theintention is to control the nature of… the gathered information.Information altering can be performed physically, with the help ofa PC. Data coding: Coding is an explanatory procedure in which information, in bothquantitative structure is sorted to encourage examination. Codingmeans the change of information into a structure justifiable by PCprogramming. (MORE)
Offline data: It alludes to information utilized for information driven advertising on computerized showcasing channels and which begins from logged off sources. Online d…ata: It stockpiling alludes to the act of putting away electronic information with an outsider administration got to by means of the Internet. It is a different option for customary neighborhood stockpiling and versatile stockpiling. (MORE)
There are four key characteristics which separate the data warehouse from other major operational systems: .
Subject Orientation: Data organized by subject .
Integration: Co…nsistency of defining parameters .
Non-volatility: Stable data storage medium .
Time-variance: Timeliness of data and access terms . (MORE)
The quantities, characters, or symbols on which operations areperformed by a computer, being stored and transmitted in the formof electrical signals and recorded on magnetic, …optical, ormechanical recording media. (MORE)